v3.26.1
Shareholder Report
 6 Months Ended
Apr. 30, 2026
USD ($)
Holding
Shareholder Report [Line Items]  
Document Type N-CSRS
Amendment Flag false
Registrant Name HARTFORD MUTUAL FUNDS II, INC
Entity Central Index Key 0000049905
Entity Investment Company Type N-1A
Document Period End Date Apr. 30, 2026
C000172618 [Member]  
Shareholder Report [Line Items]  
Fund Name Hartford Schroders US Small Cap Opportunities Fund
Class Name Class A
Trading Symbol SCUVX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Hartford Schroders US Small Cap Opportunities Fund (the "Fund") for the period of November 1, 2025 to April 30, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at hartfordfunds.com/reports-hmf. You can also request this information by contacting us by calling 1‑888‑843‑7824.
Additional Information Phone Number 1‑888‑843‑7824
Additional Information Website hartfordfunds.com/reports-hmf
Expenses [Text Block]
What were the Fund costs for the last six-months?
(Based on a hypothetical $10,000 investment)
Class Name Costs of a $10,000 investment Costs paid as a percentage
of a $10,000 investment^
Class A $68 1.27%
^
Annualized.
Expenses Paid, Amount $ 68
Expense Ratio, Percent 1.27% [1]
Net Assets $ 176,815,573
Holdings Count | Holding 84
Investment Company Portfolio Turnover 25.00%
Additional Fund Statistics [Text Block]
Key Fund Statistics
as of April 30, 2026
Fund's net assets $176,815,573
Total number of portfolio holdings (excluding derivatives, if any) 84
Portfolio turnover rate 25%
Holdings [Text Block]
Graphical Representation of Holdings
as of April 30, 2026
The table below shows the investment makeup of the Fund, representing the percentage of net assets of the Fund.
Composition by Sector *
Industrials 27.6 %
Information Technology 17.9 %
Financials 17.4 %
Health Care 8.0 %
Consumer Discretionary 7.0 %
Energy 5.1 %
Materials 4.5 %
Utilities 3.5 %
Real Estate 3.3 %
Consumer Staples 2.3 %
Communication Services 1.3 %
Short-Term Investments 3.6 %
Other Assets & Liabilities (1.5 )%
Total 100.0 %
​*
For Fund compliance purposes, the Fund may not use the same classification system. These classifications are used for financial reporting purposes.
C000172619 [Member]  
Shareholder Report [Line Items]  
Fund Name Hartford Schroders US Small Cap Opportunities Fund
Class Name Class C
Trading Symbol HOOCX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Hartford Schroders US Small Cap Opportunities Fund (the "Fund") for the period of November 1, 2025 to April 30, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at hartfordfunds.com/reports-hmf. You can also request this information by contacting us by calling 1‑888‑843‑7824.
Additional Information Phone Number 1‑888‑843‑7824
Additional Information Website hartfordfunds.com/reports-hmf
Expenses [Text Block]
What were the Fund costs for the last six-months?
(Based on a hypothetical $10,000 investment)
Class Name Costs of a $10,000 investment Costs paid as a percentage
of a $10,000 investment^
Class C $112 2.10%
^
Annualized.
Expenses Paid, Amount $ 112
Expense Ratio, Percent 2.10% [2]
Net Assets $ 176,815,573
Holdings Count | Holding 84
Investment Company Portfolio Turnover 25.00%
Additional Fund Statistics [Text Block]
Key Fund Statistics
as of April 30, 2026
Fund's net assets $176,815,573
Total number of portfolio holdings (excluding derivatives, if any) 84
Portfolio turnover rate 25%
Holdings [Text Block]
Graphical Representation of Holdings
as of April 30, 2026
The table below shows the investment makeup of the Fund, representing the percentage of net assets of the Fund.
Composition by Sector *
Industrials 27.6 %
Information Technology 17.9 %
Financials 17.4 %
Health Care 8.0 %
Consumer Discretionary 7.0 %
Energy 5.1 %
Materials 4.5 %
Utilities 3.5 %
Real Estate 3.3 %
Consumer Staples 2.3 %
Communication Services 1.3 %
Short-Term Investments 3.6 %
Other Assets & Liabilities (1.5 )%
Total 100.0 %
​*
For Fund compliance purposes, the Fund may not use the same classification system. These classifications are used for financial reporting purposes.
C000172620 [Member]  
Shareholder Report [Line Items]  
Fund Name Hartford Schroders US Small Cap Opportunities Fund
Class Name Class I
Trading Symbol SCUIX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Hartford Schroders US Small Cap Opportunities Fund (the "Fund") for the period of November 1, 2025 to April 30, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at hartfordfunds.com/reports-hmf. You can also request this information by contacting us by calling 1‑888‑843‑7824.
Additional Information Phone Number 1‑888‑843‑7824
Additional Information Website hartfordfunds.com/reports-hmf
Expenses [Text Block]
What were the Fund costs for the last six-months?
(Based on a hypothetical $10,000 investment)
Class Name Costs of a $10,000 investment Costs paid as a percentage
of a $10,000 investment^
Class I $59 1.10%
^
Annualized.
Expenses Paid, Amount $ 59
Expense Ratio, Percent 1.10% [3]
Net Assets $ 176,815,573
Holdings Count | Holding 84
Investment Company Portfolio Turnover 25.00%
Additional Fund Statistics [Text Block]
Key Fund Statistics
as of April 30, 2026
Fund's net assets $176,815,573
Total number of portfolio holdings (excluding derivatives, if any) 84
Portfolio turnover rate 25%
Holdings [Text Block]
Graphical Representation of Holdings
as of April 30, 2026
The table below shows the investment makeup of the Fund, representing the percentage of net assets of the Fund.
Composition by Sector *
Industrials 27.6 %
Information Technology 17.9 %
Financials 17.4 %
Health Care 8.0 %
Consumer Discretionary 7.0 %
Energy 5.1 %
Materials 4.5 %
Utilities 3.5 %
Real Estate 3.3 %
Consumer Staples 2.3 %
Communication Services 1.3 %
Short-Term Investments 3.6 %
Other Assets & Liabilities (1.5 )%
Total 100.0 %
​*
For Fund compliance purposes, the Fund may not use the same classification system. These classifications are used for financial reporting purposes.
C000172621 [Member]  
Shareholder Report [Line Items]  
Fund Name Hartford Schroders US Small Cap Opportunities Fund
Class Name Class R3
Trading Symbol HOORX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Hartford Schroders US Small Cap Opportunities Fund (the "Fund") for the period of November 1, 2025 to April 30, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at hartfordfunds.com/reports-hmf. You can also request this information by contacting us by calling 1‑888‑843‑7824.
Additional Information Phone Number 1‑888‑843‑7824
Additional Information Website hartfordfunds.com/reports-hmf
Expenses [Text Block]
What were the Fund costs for the last six-months?
(Based on a hypothetical $10,000 investment)
Class Name Costs of a $10,000 investment Costs paid as a percentage
of a $10,000 investment^
Class R3 $88 1.65%
^
Annualized.
Expenses Paid, Amount $ 88
Expense Ratio, Percent 1.65% [4]
Net Assets $ 176,815,573
Holdings Count | Holding 84
Investment Company Portfolio Turnover 25.00%
Additional Fund Statistics [Text Block]
Key Fund Statistics
as of April 30, 2026
Fund's net assets $176,815,573
Total number of portfolio holdings (excluding derivatives, if any) 84
Portfolio turnover rate 25%
Holdings [Text Block]
Graphical Representation of Holdings
as of April 30, 2026
The table below shows the investment makeup of the Fund, representing the percentage of net assets of the Fund.
Composition by Sector *
Industrials 27.6 %
Information Technology 17.9 %
Financials 17.4 %
Health Care 8.0 %
Consumer Discretionary 7.0 %
Energy 5.1 %
Materials 4.5 %
Utilities 3.5 %
Real Estate 3.3 %
Consumer Staples 2.3 %
Communication Services 1.3 %
Short-Term Investments 3.6 %
Other Assets & Liabilities (1.5 )%
Total 100.0 %
​*
For Fund compliance purposes, the Fund may not use the same classification system. These classifications are used for financial reporting purposes.
C000172622 [Member]  
Shareholder Report [Line Items]  
Fund Name Hartford Schroders US Small Cap Opportunities Fund
Class Name Class R4
Trading Symbol HOOSX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Hartford Schroders US Small Cap Opportunities Fund (the "Fund") for the period of November 1, 2025 to April 30, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at hartfordfunds.com/reports-hmf. You can also request this information by contacting us by calling 1‑888‑843‑7824.
Additional Information Phone Number 1‑888‑843‑7824
Additional Information Website hartfordfunds.com/reports-hmf
Expenses [Text Block]
What were the Fund costs for the last six-months?
(Based on a hypothetical $10,000 investment)
Class Name Costs of a $10,000 investment Costs paid as a percentage
of a $10,000 investment^
Class R4 $72 1.35%
^
Annualized.
Expenses Paid, Amount $ 72
Expense Ratio, Percent 1.35% [5]
Net Assets $ 176,815,573
Holdings Count | Holding 84
Investment Company Portfolio Turnover 25.00%
Additional Fund Statistics [Text Block]
Key Fund Statistics
as of April 30, 2026
Fund's net assets $176,815,573
Total number of portfolio holdings (excluding derivatives, if any) 84
Portfolio turnover rate 25%
Holdings [Text Block]
Graphical Representation of Holdings
as of April 30, 2026
The table below shows the investment makeup of the Fund, representing the percentage of net assets of the Fund.
Composition by Sector *
Industrials 27.6 %
Information Technology 17.9 %
Financials 17.4 %
Health Care 8.0 %
Consumer Discretionary 7.0 %
Energy 5.1 %
Materials 4.5 %
Utilities 3.5 %
Real Estate 3.3 %
Consumer Staples 2.3 %
Communication Services 1.3 %
Short-Term Investments 3.6 %
Other Assets & Liabilities (1.5 )%
Total 100.0 %

​*

For Fund compliance purposes, the Fund may not use the same classification system. These classifications are used for financial reporting purposes.
C000172623 [Member]  
Shareholder Report [Line Items]  
Fund Name Hartford Schroders US Small Cap Opportunities Fund
Class Name Class R5
Trading Symbol HOOTX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Hartford Schroders US Small Cap Opportunities Fund (the "Fund") for the period of November 1, 2025 to April 30, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at hartfordfunds.com/reports-hmf. You can also request this information by contacting us by calling 1‑888‑843‑7824.
Additional Information Phone Number 1‑888‑843‑7824
Additional Information Website hartfordfunds.com/reports-hmf
Expenses [Text Block]
What were the Fund costs for the last six-months?
(Based on a hypothetical $10,000 investment)
Class Name Costs of a $10,000 investment Costs paid as a percentage
of a $10,000 investment^
Class R5 $56 1.05%
^
Annualized.
Expenses Paid, Amount $ 56
Expense Ratio, Percent 1.05% [6]
Net Assets $ 176,815,573
Holdings Count | Holding 84
Investment Company Portfolio Turnover 25.00%
Additional Fund Statistics [Text Block]
Key Fund Statistics
as of April 30, 2026
Fund's net assets $176,815,573
Total number of portfolio holdings (excluding derivatives, if any) 84
Portfolio turnover rate 25%
Holdings [Text Block]
Graphical Representation of Holdings
as of April 30, 2026
The table below shows the investment makeup of the Fund, representing the percentage of net assets of the Fund.
Composition by Sector *
Industrials 27.6 %
Information Technology 17.9 %
Financials 17.4 %
Health Care 8.0 %
Consumer Discretionary 7.0 %
Energy 5.1 %
Materials 4.5 %
Utilities 3.5 %
Real Estate 3.3 %
Consumer Staples 2.3 %
Communication Services 1.3 %
Short-Term Investments 3.6 %
Other Assets & Liabilities (1.5 )%
Total 100.0 %
​*
For Fund compliance purposes, the Fund may not use the same classification system. These classifications are used for financial reporting purposes.
C000172624 [Member]  
Shareholder Report [Line Items]  
Fund Name Hartford Schroders US Small Cap Opportunities Fund
Class Name Class Y
Trading Symbol HOOYX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Hartford Schroders US Small Cap Opportunities Fund (the "Fund") for the period of November 1, 2025 to April 30, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at hartfordfunds.com/reports-hmf. You can also request this information by contacting us by calling 1‑888‑843‑7824.
Additional Information Phone Number 1‑888‑843‑7824
Additional Information Website hartfordfunds.com/reports-hmf
Expenses [Text Block]
What were the Fund costs for the last six-months?
(Based on a hypothetical $10,000 investment)
Class Name Costs of a $10,000 investment Costs paid as a percentage
of a $10,000 investment^
Class Y $56 1.05%
^
Annualized.
Expenses Paid, Amount $ 56
Expense Ratio, Percent 1.05% [7]
Net Assets $ 176,815,573
Holdings Count | Holding 84
Investment Company Portfolio Turnover 25.00%
Additional Fund Statistics [Text Block]
Key Fund Statistics
as of April 30, 2026
Fund's net assets $176,815,573
Total number of portfolio holdings (excluding derivatives, if any) 84
Portfolio turnover rate 25%
Holdings [Text Block]
Graphical Representation of Holdings
as of April 30, 2026
The table below shows the investment makeup of the Fund, representing the percentage of net assets of the Fund.
Composition by Sector *
Industrials 27.6 %
Information Technology 17.9 %
Financials 17.4 %
Health Care 8.0 %
Consumer Discretionary 7.0 %
Energy 5.1 %
Materials 4.5 %
Utilities 3.5 %
Real Estate 3.3 %
Consumer Staples 2.3 %
Communication Services 1.3 %
Short-Term Investments 3.6 %
Other Assets & Liabilities (1.5 )%
Total 100.0 %
​*
For Fund compliance purposes, the Fund may not use the same classification system. These classifications are used for financial reporting purposes.
C000185831 [Member]  
Shareholder Report [Line Items]  
Fund Name Hartford Schroders US Small Cap Opportunities Fund
Class Name Class F
Trading Symbol HOOFX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Hartford Schroders US Small Cap Opportunities Fund (the "Fund") for the period of November 1, 2025 to April 30, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at hartfordfunds.com/reports-hmf. You can also request this information by contacting us by calling 1‑888‑843‑7824.
Additional Information Phone Number 1‑888‑843‑7824
Additional Information Website hartfordfunds.com/reports-hmf
Expenses [Text Block]
What were the Fund costs for the last six-months?
(Based on a hypothetical $10,000 investment)
Class Name Costs of a $10,000 investment Costs paid as a percentage
of a $10,000 investment^
Class F $51 0.95%
^
Annualized.
Expenses Paid, Amount $ 51
Expense Ratio, Percent 0.95% [8]
Net Assets $ 176,815,573
Holdings Count | Holding 84
Investment Company Portfolio Turnover 25.00%
Additional Fund Statistics [Text Block]
Key Fund Statistics
as of April 30, 2026
Fund's net assets $176,815,573
Total number of portfolio holdings (excluding derivatives, if any) 84
Portfolio turnover rate 25%
Holdings [Text Block]
Graphical Representation of Holdings
as of April 30, 2026
The table below shows the investment makeup of the Fund, representing the percentage of net assets of the Fund.
Composition by Sector *
Industrials 27.6 %
Information Technology 17.9 %
Financials 17.4 %
Health Care 8.0 %
Consumer Discretionary 7.0 %
Energy 5.1 %
Materials 4.5 %
Utilities 3.5 %
Real Estate 3.3 %
Consumer Staples 2.3 %
Communication Services 1.3 %
Short-Term Investments 3.6 %
Other Assets & Liabilities (1.5 )%
Total 100.0 %
​*
For Fund compliance purposes, the Fund may not use the same classification system. These classifications are used for financial reporting purposes.
C000172625 [Member]  
Shareholder Report [Line Items]  
Fund Name Hartford Schroders US Small Cap Opportunities Fund
Class Name Class SDR
Trading Symbol SCURX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Hartford Schroders US Small Cap Opportunities Fund (the "Fund") for the period of November 1, 2025 to April 30, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at hartfordfunds.com/reports-hmf. You can also request this information by contacting us by calling 1‑888‑843‑7824.
Additional Information Phone Number 1‑888‑843‑7824
Additional Information Website hartfordfunds.com/reports-hmf
Expenses [Text Block]
What were the Fund costs for the last six-months?
(Based on a hypothetical $10,000 investment)
Class Name Costs of a $10,000 investment Costs paid as a percentage
of a $10,000 investment^
Class SDR $51 0.95%
^
Annualized.
Expenses Paid, Amount $ 51
Expense Ratio, Percent 0.95% [9]
Net Assets $ 176,815,573
Holdings Count | Holding 84
Investment Company Portfolio Turnover 25.00%
Additional Fund Statistics [Text Block]
Key Fund Statistics
as of April 30, 2026
Fund's net assets $176,815,573
Total number of portfolio holdings (excluding derivatives, if any) 84
Portfolio turnover rate 25%
Holdings [Text Block]
Graphical Representation of Holdings
as of April 30, 2026
The table below shows the investment makeup of the Fund, representing the percentage of net assets of the Fund.
Composition by Sector *
Industrials 27.6 %
Information Technology 17.9 %
Financials 17.4 %
Health Care 8.0 %
Consumer Discretionary 7.0 %
Energy 5.1 %
Materials 4.5 %
Utilities 3.5 %
Real Estate 3.3 %
Consumer Staples 2.3 %
Communication Services 1.3 %
Short-Term Investments 3.6 %
Other Assets & Liabilities (1.5 )%
Total 100.0 %
​*
For Fund compliance purposes, the Fund may not use the same classification system. These classifications are used for financial reporting purposes.
C000230639 [Member]  
Shareholder Report [Line Items]  
Fund Name Hartford Schroders Core Fixed Income Fund
Class Name Class I
Trading Symbol HSAEX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Hartford Schroders Core Fixed Income Fund (the "Fund") for the period of November 1, 2025 to April 30, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at hartfordfunds.com/reports-hmf. You can also request this information by contacting us by calling 1‑888‑843‑7824.
Additional Information Phone Number 1‑888‑843‑7824
Additional Information Website hartfordfunds.com/reports-hmf
Expenses [Text Block]
What were the Fund costs for the last six-months?
(Based on a hypothetical $10,000 investment)
Class Name Costs of a $10,000 investment Costs paid as a percentage
of a $10,000 investment^
Class I $25 0.51%
^
Annualized.
Expenses Paid, Amount $ 25
Expense Ratio, Percent 0.51% [10]
Net Assets $ 74,846,595
Holdings Count | Holding 184
Investment Company Portfolio Turnover 57.00%
Additional Fund Statistics [Text Block]
Key Fund Statistics
as of April 30, 2026
Fund's net assets $74,846,595
Total number of portfolio holdings 184
Portfolio turnover rate 57%
Holdings [Text Block]
Graphical Representation of Holdings
as of April 30, 2026
The table below shows the investment makeup of the Fund, representing the percentage of net assets of the Fund.
Composition by Security Type
Corporate Bonds 32.9 %
U.S. Government Agencies^ 28.3 %
U.S. Government Securities 23.2 %
Municipal Bonds 8.2 %
Foreign Government Obligations 2.7 %
Asset-Backed & Commercial Mortgage-Backed Securities 0.5 %
Short-Term Investments 3.1 %
Other Assets & Liabilities 1.1 %
Total 100.0 %
​^
All, or a portion of the securities categorized as U.S. Government Agencies, were agency mortgage-backed securities.
C000230641 [Member]  
Shareholder Report [Line Items]  
Fund Name Hartford Schroders Core Fixed Income Fund
Class Name Class R3
Trading Symbol HSACX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Hartford Schroders Core Fixed Income Fund (the "Fund") for the period of November 1, 2025 to April 30, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at hartfordfunds.com/reports-hmf. You can also request this information by contacting us by calling 1‑888‑843‑7824.
Additional Information Phone Number 1‑888‑843‑7824
Additional Information Website hartfordfunds.com/reports-hmf
Expenses [Text Block]
What were the Fund costs for the last six-months?
(Based on a hypothetical $10,000 investment)
Class Name Costs of a $10,000 investment Costs paid as a percentage
of a $10,000 investment^
Class R3 $41 0.83%
^
Annualized.
Expenses Paid, Amount $ 41
Expense Ratio, Percent 0.83% [11]
Net Assets $ 74,846,595
Holdings Count | Holding 184
Investment Company Portfolio Turnover 57.00%
Additional Fund Statistics [Text Block]
Key Fund Statistics
as of April 30, 2026
Fund's net assets $74,846,595
Total number of portfolio holdings 184
Portfolio turnover rate 57%
Holdings [Text Block]
Graphical Representation of Holdings
as of April 30, 2026
The table below shows the investment makeup of the Fund, representing the percentage of net assets of the Fund.
Composition by Security Type
Corporate Bonds 32.9 %
U.S. Government Agencies^ 28.3 %
U.S. Government Securities 23.2 %
Municipal Bonds 8.2 %
Foreign Government Obligations 2.7 %
Asset-Backed & Commercial Mortgage-Backed Securities 0.5 %
Short-Term Investments 3.1 %
Other Assets & Liabilities 1.1 %
Total 100.0 %
​^
All, or a portion of the securities categorized as U.S. Government Agencies, were agency mortgage-backed securities.
C000230640 [Member]  
Shareholder Report [Line Items]  
Fund Name Hartford Schroders Core Fixed Income Fund
Class Name Class R4
Trading Symbol HSSBX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Hartford Schroders Core Fixed Income Fund (the "Fund") for the period of November 1, 2025 to April 30, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at hartfordfunds.com/reports-hmf. You can also request this information by contacting us by calling 1‑888‑843‑7824.
Additional Information Phone Number 1‑888‑843‑7824
Additional Information Website hartfordfunds.com/reports-hmf
Expenses [Text Block]
What were the Fund costs for the last six-months?
(Based on a hypothetical $10,000 investment)
Class Name Costs of a $10,000 investment Costs paid as a percentage
of a $10,000 investment^
Class R4 $36 0.73%
^
Annualized.
Expenses Paid, Amount $ 36
Expense Ratio, Percent 0.73% [12]
Net Assets $ 74,846,595
Holdings Count | Holding 184
Investment Company Portfolio Turnover 57.00%
Additional Fund Statistics [Text Block]
Key Fund Statistics
as of April 30, 2026
Fund's net assets $74,846,595
Total number of portfolio holdings 184
Portfolio turnover rate 57%
Holdings [Text Block]
Graphical Representation of Holdings
as of April 30, 2026
The table below shows the investment makeup of the Fund, representing the percentage of net assets of the Fund.
Composition by Security Type
Corporate Bonds 32.9 %
U.S. Government Agencies^ 28.3 %
U.S. Government Securities 23.2 %
Municipal Bonds 8.2 %
Foreign Government Obligations 2.7 %
Asset-Backed & Commercial Mortgage-Backed Securities 0.5 %
Short-Term Investments 3.1 %
Other Assets & Liabilities 1.1 %
Total 100.0 %
​^
All, or a portion of the securities categorized as U.S. Government Agencies, were agency mortgage-backed securities.
C000172610 [Member]  
Shareholder Report [Line Items]  
Fund Name Hartford Schroders International Multi-Cap Value Fund
Class Name Class A
Trading Symbol SIDVX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Hartford Schroders International Multi-Cap Value Fund (the "Fund") for the period of November 1, 2025 to April 30, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at hartfordfunds.com/reports-hmf. You can also request this information by contacting us by calling 1‑888‑843‑7824.
Additional Information Phone Number 1‑888‑843‑7824
Additional Information Website hartfordfunds.com/reports-hmf
Expenses [Text Block]
What were the Fund costs for the last six-months?
(Based on a hypothetical $10,000 investment)
Class Name Costs of a $10,000 investment Costs paid as a percentage
of a $10,000 investment^
Class A $59 1.09%
^
Annualized.
Expenses Paid, Amount $ 59
Expense Ratio, Percent 1.09% [13]
Net Assets $ 3,399,470,663
Holdings Count | Holding 486
Investment Company Portfolio Turnover 70.00%
Additional Fund Statistics [Text Block]
Key Fund Statistics
as of April 30, 2026
Fund's net assets $3,399,470,663
Total number of portfolio holdings 486
Portfolio turnover rate 70%
Holdings [Text Block]
Graphical Representation of Holdings
as of April 30, 2026
The table below shows the investment makeup of the Fund, representing the percentage of net assets of the Fund.
Composition by Sector *
Financials 31.6 %
Information Technology 11.6 %
Industrials 10.4 %
Energy 8.2 %
Materials 6.6 %
Consumer Discretionary 6.5 %
Utilities 5.7 %
Communication Services 4.3 %
Health Care 4.3 %
Consumer Staples 3.8 %
Real Estate 1.4 %
Short-Term Investments 2.5 %
Other Assets & Liabilities 3.1 %
Total 100.0 %
​*
For Fund compliance purposes, the Fund may not use the same classification system. These classifications are used for financial reporting purposes.
C000172611 [Member]  
Shareholder Report [Line Items]  
Fund Name Hartford Schroders International Multi-Cap Value Fund
Class Name Class C
Trading Symbol HFYCX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Hartford Schroders International Multi-Cap Value Fund (the "Fund") for the period of November 1, 2025 to April 30, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at hartfordfunds.com/reports-hmf. You can also request this information by contacting us by calling 1‑888‑843‑7824.
Additional Information Phone Number 1‑888‑843‑7824
Additional Information Website hartfordfunds.com/reports-hmf
Expenses [Text Block]
What were the Fund costs for the last six-months?
(Based on a hypothetical $10,000 investment)
Class Name Costs of a $10,000 investment Costs paid as a percentage
of a $10,000 investment^
Class C $101 1.87%
^
Annualized.
Expenses Paid, Amount $ 101
Expense Ratio, Percent 1.87% [14]
Net Assets $ 3,399,470,663
Holdings Count | Holding 486
Investment Company Portfolio Turnover 70.00%
Additional Fund Statistics [Text Block]
Key Fund Statistics
as of April 30, 2026
Fund's net assets $3,399,470,663
Total number of portfolio holdings 486
Portfolio turnover rate 70%
Holdings [Text Block]
Graphical Representation of Holdings
as of April 30, 2026
The table below shows the investment makeup of the Fund, representing the percentage of net assets of the Fund.
Composition by Sector *
Financials 31.6 %
Information Technology 11.6 %
Industrials 10.4 %
Energy 8.2 %
Materials 6.6 %
Consumer Discretionary 6.5 %
Utilities 5.7 %
Communication Services 4.3 %
Health Care 4.3 %
Consumer Staples 3.8 %
Real Estate 1.4 %
Short-Term Investments 2.5 %
Other Assets & Liabilities 3.1 %
Total 100.0 %
​*
For Fund compliance purposes, the Fund may not use the same classification system. These classifications are used for financial reporting purposes.
C000172612 [Member]  
Shareholder Report [Line Items]  
Fund Name Hartford Schroders International Multi-Cap Value Fund
Class Name Class I
Trading Symbol SIDNX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Hartford Schroders International Multi-Cap Value Fund (the "Fund") for the period of November 1, 2025 to April 30, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at hartfordfunds.com/reports-hmf. You can also request this information by contacting us by calling 1‑888‑843‑7824.
Additional Information Phone Number 1‑888‑843‑7824
Additional Information Website hartfordfunds.com/reports-hmf
Expenses [Text Block]
What were the Fund costs for the last six-months?
(Based on a hypothetical $10,000 investment)
Class Name Costs of a $10,000 investment Costs paid as a percentage
of a $10,000 investment^
Class I $46 0.85%
^
Annualized.
Expenses Paid, Amount $ 46
Expense Ratio, Percent 0.85% [15]
Net Assets $ 3,399,470,663
Holdings Count | Holding 486
Investment Company Portfolio Turnover 70.00%
Additional Fund Statistics [Text Block]
Key Fund Statistics
as of April 30, 2026
Fund's net assets $3,399,470,663
Total number of portfolio holdings 486
Portfolio turnover rate 70%
Holdings [Text Block]
Graphical Representation of Holdings
as of April 30, 2026
The table below shows the investment makeup of the Fund, representing the percentage of net assets of the Fund.
Composition by Sector *
Financials 31.6 %
Information Technology 11.6 %
Industrials 10.4 %
Energy 8.2 %
Materials 6.6 %
Consumer Discretionary 6.5 %
Utilities 5.7 %
Communication Services 4.3 %
Health Care 4.3 %
Consumer Staples 3.8 %
Real Estate 1.4 %
Short-Term Investments 2.5 %
Other Assets & Liabilities 3.1 %
Total 100.0 %
​*
For Fund compliance purposes, the Fund may not use the same classification system. These classifications are used for financial reporting purposes.
C000172613 [Member]  
Shareholder Report [Line Items]  
Fund Name Hartford Schroders International Multi-Cap Value Fund
Class Name Class R3
Trading Symbol HFYRX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Hartford Schroders International Multi-Cap Value Fund (the "Fund") for the period of November 1, 2025 to April 30, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at hartfordfunds.com/reports-hmf. You can also request this information by contacting us by calling 1‑888‑843‑7824.
Additional Information Phone Number 1‑888‑843‑7824
Additional Information Website hartfordfunds.com/reports-hmf
Expenses [Text Block]
What were the Fund costs for the last six-months?
(Based on a hypothetical $10,000 investment)
Class Name Costs of a $10,000 investment Costs paid as a percentage
of a $10,000 investment^
Class R3 $75 1.38%
^
Annualized.
Expenses Paid, Amount $ 75
Expense Ratio, Percent 1.38% [16]
Net Assets $ 3,399,470,663
Holdings Count | Holding 486
Investment Company Portfolio Turnover 70.00%
Additional Fund Statistics [Text Block]
Key Fund Statistics
as of April 30, 2026
Fund's net assets $3,399,470,663
Total number of portfolio holdings 486
Portfolio turnover rate 70%
Holdings [Text Block]
Graphical Representation of Holdings
as of April 30, 2026
The table below shows the investment makeup of the Fund, representing the percentage of net assets of the Fund.
Composition by Sector *
Financials 31.6 %
Information Technology 11.6 %
Industrials 10.4 %
Energy 8.2 %
Materials 6.6 %
Consumer Discretionary 6.5 %
Utilities 5.7 %
Communication Services 4.3 %
Health Care 4.3 %
Consumer Staples 3.8 %
Real Estate 1.4 %
Short-Term Investments 2.5 %
Other Assets & Liabilities 3.1 %
Total 100.0 %
​*
For Fund compliance purposes, the Fund may not use the same classification system. These classifications are used for financial reporting purposes.
C000172614 [Member]  
Shareholder Report [Line Items]  
Fund Name Hartford Schroders International Multi-Cap Value Fund
Class Name Class R4
Trading Symbol HFYSX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Hartford Schroders International Multi-Cap Value Fund (the "Fund") for the period of November 1, 2025 to April 30, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at hartfordfunds.com/reports-hmf. You can also request this information by contacting us by calling 1‑888‑843‑7824.
Additional Information Phone Number 1‑888‑843‑7824
Additional Information Website hartfordfunds.com/reports-hmf
Expenses [Text Block]
What were the Fund costs for the last six-months?
(Based on a hypothetical $10,000 investment)
Class Name Costs of a $10,000 investment Costs paid as a percentage
of a $10,000 investment^
Class R4 $62 1.14%
^
Annualized.
Expenses Paid, Amount $ 62
Expense Ratio, Percent 1.14% [17]
Net Assets $ 3,399,470,663
Holdings Count | Holding 486
Investment Company Portfolio Turnover 70.00%
Additional Fund Statistics [Text Block]
Key Fund Statistics
as of April 30, 2026
Fund's net assets $3,399,470,663
Total number of portfolio holdings 486
Portfolio turnover rate 70%
Holdings [Text Block]
Graphical Representation of Holdings
as of April 30, 2026
The table below shows the investment makeup of the Fund, representing the percentage of net assets of the Fund.
Composition by Sector *
Financials 31.6 %
Information Technology 11.6 %
Industrials 10.4 %
Energy 8.2 %
Materials 6.6 %
Consumer Discretionary 6.5 %
Utilities 5.7 %
Communication Services 4.3 %
Health Care 4.3 %
Consumer Staples 3.8 %
Real Estate 1.4 %
Short-Term Investments 2.5 %
Other Assets & Liabilities 3.1 %
Total 100.0 %
​*
For Fund compliance purposes, the Fund may not use the same classification system. These classifications are used for financial reporting purposes.
C000172615 [Member]  
Shareholder Report [Line Items]  
Fund Name Hartford Schroders International Multi-Cap Value Fund
Class Name Class R5
Trading Symbol HFYTX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Hartford Schroders International Multi-Cap Value Fund (the "Fund") for the period of November 1, 2025 to April 30, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at hartfordfunds.com/reports-hmf. You can also request this information by contacting us by calling 1‑888‑843‑7824.
Additional Information Phone Number 1‑888‑843‑7824
Additional Information Website hartfordfunds.com/reports-hmf
Expenses [Text Block]
What were the Fund costs for the last six-months?
(Based on a hypothetical $10,000 investment)
Class Name Costs of a $10,000 investment Costs paid as a percentage
of a $10,000 investment^
Class R5 $45 0.83%
^
Annualized.
Expenses Paid, Amount $ 45
Expense Ratio, Percent 0.83% [18]
Net Assets $ 3,399,470,663
Holdings Count | Holding 486
Investment Company Portfolio Turnover 70.00%
Additional Fund Statistics [Text Block]
Key Fund Statistics
as of April 30, 2026
Fund's net assets $3,399,470,663
Total number of portfolio holdings 486
Portfolio turnover rate 70%
Holdings [Text Block]
Graphical Representation of Holdings
as of April 30, 2026
The table below shows the investment makeup of the Fund, representing the percentage of net assets of the Fund.
Composition by Sector *
Financials 31.6 %
Information Technology 11.6 %
Industrials 10.4 %
Energy 8.2 %
Materials 6.6 %
Consumer Discretionary 6.5 %
Utilities 5.7 %
Communication Services 4.3 %
Health Care 4.3 %
Consumer Staples 3.8 %
Real Estate 1.4 %
Short-Term Investments 2.5 %
Other Assets & Liabilities 3.1 %
Total 100.0 %
​*
For Fund compliance purposes, the Fund may not use the same classification system. These classifications are used for financial reporting purposes.
C000172616 [Member]  
Shareholder Report [Line Items]  
Fund Name Hartford Schroders International Multi-Cap Value Fund
Class Name Class Y
Trading Symbol HFYYX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Hartford Schroders International Multi-Cap Value Fund (the "Fund") for the period of November 1, 2025 to April 30, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at hartfordfunds.com/reports-hmf. You can also request this information by contacting us by calling 1‑888‑843‑7824.
Additional Information Phone Number 1‑888‑843‑7824
Additional Information Website hartfordfunds.com/reports-hmf
Expenses [Text Block]
What were the Fund costs for the last six-months?
(Based on a hypothetical $10,000 investment)
Class Name Costs of a $10,000 investment Costs paid as a percentage
of a $10,000 investment^
Class Y $46 0.85%
^
Annualized.
Expenses Paid, Amount $ 46
Expense Ratio, Percent 0.85% [19]
Net Assets $ 3,399,470,663
Holdings Count | Holding 486
Investment Company Portfolio Turnover 70.00%
Additional Fund Statistics [Text Block]
Key Fund Statistics
as of April 30, 2026
Fund's net assets $3,399,470,663
Total number of portfolio holdings 486
Portfolio turnover rate 70%
Holdings [Text Block]
Graphical Representation of Holdings
as of April 30, 2026
The table below shows the investment makeup of the Fund, representing the percentage of net assets of the Fund.
Composition by Sector *
Financials 31.6 %
Information Technology 11.6 %
Industrials 10.4 %
Energy 8.2 %
Materials 6.6 %
Consumer Discretionary 6.5 %
Utilities 5.7 %
Communication Services 4.3 %
Health Care 4.3 %
Consumer Staples 3.8 %
Real Estate 1.4 %
Short-Term Investments 2.5 %
Other Assets & Liabilities 3.1 %
Total 100.0 %
​*
For Fund compliance purposes, the Fund may not use the same classification system. These classifications are used for financial reporting purposes.
C000185829 [Member]  
Shareholder Report [Line Items]  
Fund Name Hartford Schroders International Multi-Cap Value Fund
Class Name Class F
Trading Symbol HFYFX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Hartford Schroders International Multi-Cap Value Fund (the "Fund") for the period of November 1, 2025 to April 30, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at hartfordfunds.com/reports-hmf. You can also request this information by contacting us by calling 1‑888‑843‑7824.
Additional Information Phone Number 1‑888‑843‑7824
Additional Information Website hartfordfunds.com/reports-hmf
Expenses [Text Block]
What were the Fund costs for the last six-months?
(Based on a hypothetical $10,000 investment)
Class Name Costs of a $10,000 investment Costs paid as a percentage
of a $10,000 investment^
Class F $40 0.74%
^
Annualized.
Expenses Paid, Amount $ 40
Expense Ratio, Percent 0.74% [20]
Net Assets $ 3,399,470,663
Holdings Count | Holding 486
Investment Company Portfolio Turnover 70.00%
Additional Fund Statistics [Text Block]
Key Fund Statistics
as of April 30, 2026
Fund's net assets $3,399,470,663
Total number of portfolio holdings 486
Portfolio turnover rate 70%
Holdings [Text Block]
Graphical Representation of Holdings
as of April 30, 2026
The table below shows the investment makeup of the Fund, representing the percentage of net assets of the Fund.
Composition by Sector *
Financials 31.6 %
Information Technology 11.6 %
Industrials 10.4 %
Energy 8.2 %
Materials 6.6 %
Consumer Discretionary 6.5 %
Utilities 5.7 %
Communication Services 4.3 %
Health Care 4.3 %
Consumer Staples 3.8 %
Real Estate 1.4 %
Short-Term Investments 2.5 %
Other Assets & Liabilities 3.1 %
Total 100.0 %
​*
For Fund compliance purposes, the Fund may not use the same classification system. These classifications are used for financial reporting purposes.
C000172617 [Member]  
Shareholder Report [Line Items]  
Fund Name Hartford Schroders International Multi-Cap Value Fund
Class Name Class SDR
Trading Symbol SIDRX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Hartford Schroders International Multi-Cap Value Fund (the "Fund") for the period of November 1, 2025 to April 30, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at hartfordfunds.com/reports-hmf. You can also request this information by contacting us by calling 1‑888‑843‑7824.
Additional Information Phone Number 1‑888‑843‑7824
Additional Information Website hartfordfunds.com/reports-hmf
Expenses [Text Block]
What were the Fund costs for the last six-months?
(Based on a hypothetical $10,000 investment)
Class Name Costs of a $10,000 investment Costs paid as a percentage
of a $10,000 investment^
Class SDR $40 0.74%
^
Annualized.
Expenses Paid, Amount $ 40
Expense Ratio, Percent 0.74% [21]
Net Assets $ 3,399,470,663
Holdings Count | Holding 486
Investment Company Portfolio Turnover 70.00%
Additional Fund Statistics [Text Block]
Key Fund Statistics
as of April 30, 2026
Fund's net assets $3,399,470,663
Total number of portfolio holdings 486
Portfolio turnover rate 70%
Holdings [Text Block]
Graphical Representation of Holdings
as of April 30, 2026
The table below shows the investment makeup of the Fund, representing the percentage of net assets of the Fund.
Composition by Sector *
Financials 31.6 %
Information Technology 11.6 %
Industrials 10.4 %
Energy 8.2 %
Materials 6.6 %
Consumer Discretionary 6.5 %
Utilities 5.7 %
Communication Services 4.3 %
Health Care 4.3 %
Consumer Staples 3.8 %
Real Estate 1.4 %
Short-Term Investments 2.5 %
Other Assets & Liabilities 3.1 %
Total 100.0 %
​*
For Fund compliance purposes, the Fund may not use the same classification system. These classifications are used for financial reporting purposes.
C000172602 [Member]  
Shareholder Report [Line Items]  
Fund Name Hartford Schroders International Stock Fund
Class Name Class A
Trading Symbol SCVEX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Hartford Schroders International Stock Fund (the "Fund") for the period of November 1, 2025 to April 30, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at hartfordfunds.com/reports-hmf. You can also request this information by contacting us by calling 1‑888‑843‑7824.
Material Fund Change Notice [Text Block]
This report describes changes to the Fund that occurred during the reporting period.
Additional Information Phone Number 1‑888‑843‑7824
Additional Information Website hartfordfunds.com/reports-hmf
Expenses [Text Block]
What were the Fund costs for the last six-months?
(Based on a hypothetical $10,000 investment)
Class Name Costs of a $10,000 investment Costs paid as a percentage
of a $10,000 investment^
Class A $52 1.03%
^
Annualized.
Expenses Paid, Amount $ 52
Expense Ratio, Percent 1.03% [22]
Material Change Date Feb. 27, 2026
Net Assets $ 9,349,185,092
Holdings Count | Holding 49
Investment Company Portfolio Turnover 23.00%
Additional Fund Statistics [Text Block]
Key Fund Statistics
as of April 30, 2026
Fund's net assets $9,349,185,092
Total number of portfolio holdings (excluding derivatives, if any) 49
Portfolio turnover rate 23%
Holdings [Text Block]
Graphical Representation of Holdings
as of April 30, 2026
The table below shows the investment makeup of the Fund, representing the percentage of net assets of the Fund.
Composition by Country *
United Kingdom 14.8 %
Japan 14.7 %
United States 12.7 %
Taiwan 8.3 %
China 7.0 %
Switzerland 5.8 %
France 5.6 %
Germany 5.4 %
Netherlands 3.8 %
Canada 3.3 %
Other** 16.8 %
Other Assets & Liabilities 1.8 %
Total 100.0 %
*
For Fund compliance purposes, the Fund may not use the same classification system. These classifications are used for financial reporting purposes.
**
Ten largest country/geographic regions are presented. Additional country/geographic regions are found in Other.
Material Fund Change [Text Block]
Material Fund Changes
This is a summary of certain changes to the Fund since the beginning of the reporting period. For more complete information, you may review the Fund’s current prospectus dated February 27, 2026, as may be amended, supplemented or restated, at hartfordfunds.com/reports‑hmf or upon request by calling 1-888-843-7824 or sending an e-mail to orders@mysummaryprospectus.com.
Effective February 27, 2026, the Fund’s principal investment strategy was revised to reflect that the Fund tends to focus on mid to large capitalization companies. As of the same date, “Mid-Cap Securities Risk” replaced “Mid Cap and Small Cap Securities Risk” as a principal risk of the Fund and “Focused Portfolio Risk” was added as a principal risk of the Fund.
Material Fund Change Strategies [Text Block] Effective February 27, 2026, the Fund’s principal investment strategy was revised to reflect that the Fund tends to focus on mid to large capitalization companies.
Material Fund Change Risks Change [Text Block] As of the same date, “Mid-Cap Securities Risk” replaced “Mid Cap and Small Cap Securities Risk” as a principal risk of the Fund and “Focused Portfolio Risk” was added as a principal risk of the Fund.
Summary of Change Legend [Text Block]
This is a summary of certain changes to the Fund since the beginning of the reporting period. For more complete information, you may review the Fund’s current prospectus dated February 27, 2026, as may be amended, supplemented or restated, at hartfordfunds.com/reports‑hmf or upon request by calling 1-888-843-7824 or sending an e-mail to orders@mysummaryprospectus.com.
Updated Prospectus Phone Number 1-888-843-7824
Updated Prospectus Email Address orders@mysummaryprospectus.com
Updated Prospectus Web Address hartfordfunds.com/reports‑hmf
C000172603 [Member]  
Shareholder Report [Line Items]  
Fund Name Hartford Schroders International Stock Fund
Class Name Class C
Trading Symbol HSWCX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Hartford Schroders International Stock Fund (the "Fund") for the period of November 1, 2025 to April 30, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at hartfordfunds.com/reports-hmf. You can also request this information by contacting us by calling 1‑888‑843‑7824.
Material Fund Change Notice [Text Block]
This report describes changes to the Fund that occurred during the reporting period.
Additional Information Phone Number 1‑888‑843‑7824
Additional Information Website hartfordfunds.com/reports-hmf
Expenses [Text Block]
What were the Fund costs for the last six-months?
(Based on a hypothetical $10,000 investment)
Class Name Costs of a $10,000 investment Costs paid as a percentage
of a $10,000 investment^
Class C $90 1.80%
^
Annualized.
Expenses Paid, Amount $ 90
Expense Ratio, Percent 1.80% [23]
Material Change Date Feb. 27, 2026
Net Assets $ 9,349,185,092
Holdings Count | Holding 49
Investment Company Portfolio Turnover 23.00%
Additional Fund Statistics [Text Block]
Key Fund Statistics
as of April 30, 2026
Fund's net assets $9,349,185,092
Total number of portfolio holdings (excluding derivatives, if any) 49
Portfolio turnover rate 23%
Holdings [Text Block]
Graphical Representation of Holdings
as of April 30, 2026
The table below shows the investment makeup of the Fund, representing the percentage of net assets of the Fund.
Composition by Country *
United Kingdom 14.8 %
Japan 14.7 %
United States 12.7 %
Taiwan 8.3 %
China 7.0 %
Switzerland 5.8 %
France 5.6 %
Germany 5.4 %
Netherlands 3.8 %
Canada 3.3 %
Other** 16.8 %
Other Assets & Liabilities 1.8 %
Total 100.0 %
*
For Fund compliance purposes, the Fund may not use the same classification system. These classifications are used for financial reporting purposes.
**
Ten largest country/geographic regions are presented. Additional country/geographic regions are found in Other.
Material Fund Change [Text Block]
Material Fund Changes
This is a summary of certain changes to the Fund since the beginning of the reporting period. For more complete information, you may review the Fund’s current prospectus dated February 27, 2026, as may be amended, supplemented or restated, at hartfordfunds.com/reports‑hmf or upon request by calling 1-888-843-7824 or sending an e-mail to orders@mysummaryprospectus.com.
Effective February 27, 2026, the Fund’s principal investment strategy was revised to reflect that the Fund tends to focus on mid to large capitalization companies. As of the same date, “Mid-Cap Securities Risk” replaced “Mid Cap and Small Cap Securities Risk” as a principal risk of the Fund and “Focused Portfolio Risk” was added as a principal risk of the Fund.
Material Fund Change Strategies [Text Block] Effective February 27, 2026, the Fund’s principal investment strategy was revised to reflect that the Fund tends to focus on mid to large capitalization companies.
Material Fund Change Risks Change [Text Block] As of the same date, “Mid-Cap Securities Risk” replaced “Mid Cap and Small Cap Securities Risk” as a principal risk of the Fund and “Focused Portfolio Risk” was added as a principal risk of the Fund.
Summary of Change Legend [Text Block]
This is a summary of certain changes to the Fund since the beginning of the reporting period. For more complete information, you may review the Fund’s current prospectus dated February 27, 2026, as may be amended, supplemented or restated, at hartfordfunds.com/reports‑hmf or upon request by calling 1-888-843-7824 or sending an e-mail to orders@mysummaryprospectus.com.
Updated Prospectus Phone Number 1-888-843-7824
Updated Prospectus Email Address orders@mysummaryprospectus.com
Updated Prospectus Web Address hartfordfunds.com/reports‑hmf
C000172604 [Member]  
Shareholder Report [Line Items]  
Fund Name Hartford Schroders International Stock Fund
Class Name Class I
Trading Symbol SCIEX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Hartford Schroders International Stock Fund (the "Fund") for the period of November 1, 2025 to April 30, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at hartfordfunds.com/reports-hmf. You can also request this information by contacting us by calling 1‑888‑843‑7824.
Material Fund Change Notice [Text Block]
This report describes changes to the Fund that occurred during the reporting period.
Additional Information Phone Number 1‑888‑843‑7824
Additional Information Website hartfordfunds.com/reports-hmf
Expenses [Text Block]
What were the Fund costs for the last six-months?
(Based on a hypothetical $10,000 investment)
Class Name Costs of a $10,000 investment Costs paid as a percentage
of a $10,000 investment^
Class I $40 0.80%
^
Annualized.
Expenses Paid, Amount $ 40
Expense Ratio, Percent 0.80% [24]
Material Change Date Feb. 27, 2026
Net Assets $ 9,349,185,092
Holdings Count | Holding 49
Investment Company Portfolio Turnover 23.00%
Additional Fund Statistics [Text Block]
Key Fund Statistics
as of April 30, 2026
Fund's net assets $9,349,185,092
Total number of portfolio holdings (excluding derivatives, if any) 49
Portfolio turnover rate 23%
Holdings [Text Block]
Graphical Representation of Holdings
as of April 30, 2026
The table below shows the investment makeup of the Fund, representing the percentage of net assets of the Fund.
Composition by Country *
United Kingdom 14.8 %
Japan 14.7 %
United States 12.7 %
Taiwan 8.3 %
China 7.0 %
Switzerland 5.8 %
France 5.6 %
Germany 5.4 %
Netherlands 3.8 %
Canada 3.3 %
Other** 16.8 %
Other Assets & Liabilities 1.8 %
Total 100.0 %
*
For Fund compliance purposes, the Fund may not use the same classification system. These classifications are used for financial reporting purposes.
**
Ten largest country/geographic regions are presented. Additional country/geographic regions are found in Other.
Material Fund Change [Text Block]
Material Fund Changes
This is a summary of certain changes to the Fund since the beginning of the reporting period. For more complete information, you may review the Fund’s current prospectus dated February 27, 2026, as may be amended, supplemented or restated, at hartfordfunds.com/reports‑hmf or upon request by calling 1-888-843-7824 or sending an e-mail to orders@mysummaryprospectus.com.
Effective February 27, 2026, the Fund’s principal investment strategy was revised to reflect that the Fund tends to focus on mid to large capitalization companies. As of the same date, “Mid-Cap Securities Risk” replaced “Mid Cap and Small Cap Securities Risk” as a principal risk of the Fund and “Focused Portfolio Risk” was added as a principal risk of the Fund.
Material Fund Change Strategies [Text Block] Effective February 27, 2026, the Fund’s principal investment strategy was revised to reflect that the Fund tends to focus on mid to large capitalization companies.
Material Fund Change Risks Change [Text Block] As of the same date, “Mid-Cap Securities Risk” replaced “Mid Cap and Small Cap Securities Risk” as a principal risk of the Fund and “Focused Portfolio Risk” was added as a principal risk of the Fund.
Summary of Change Legend [Text Block]
This is a summary of certain changes to the Fund since the beginning of the reporting period. For more complete information, you may review the Fund’s current prospectus dated February 27, 2026, as may be amended, supplemented or restated, at hartfordfunds.com/reports‑hmf or upon request by calling 1-888-843-7824 or sending an e-mail to orders@mysummaryprospectus.com.
Updated Prospectus Phone Number 1-888-843-7824
Updated Prospectus Email Address orders@mysummaryprospectus.com
Updated Prospectus Web Address hartfordfunds.com/reports‑hmf
C000172605 [Member]  
Shareholder Report [Line Items]  
Fund Name Hartford Schroders International Stock Fund
Class Name Class R3
Trading Symbol HSWRX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Hartford Schroders International Stock Fund (the "Fund") for the period of November 1, 2025 to April 30, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at hartfordfunds.com/reports-hmf. You can also request this information by contacting us by calling 1‑888‑843‑7824.
Material Fund Change Notice [Text Block]
This report describes changes to the Fund that occurred during the reporting period.
Additional Information Phone Number 1‑888‑843‑7824
Additional Information Website hartfordfunds.com/reports-hmf
Expenses [Text Block]
What were the Fund costs for the last six-months?
(Based on a hypothetical $10,000 investment)
Class Name Costs of a $10,000 investment Costs paid as a percentage
of a $10,000 investment^
Class R3 $67 1.34%
^
Annualized.
Expenses Paid, Amount $ 67
Expense Ratio, Percent 1.34% [25]
Material Change Date Feb. 27, 2026
Net Assets $ 9,349,185,092
Holdings Count | Holding 49
Investment Company Portfolio Turnover 23.00%
Additional Fund Statistics [Text Block]
Key Fund Statistics
as of April 30, 2026
Fund's net assets $9,349,185,092
Total number of portfolio holdings (excluding derivatives, if any) 49
Portfolio turnover rate 23%
Holdings [Text Block]
Graphical Representation of Holdings
as of April 30, 2026
The table below shows the investment makeup of the Fund, representing the percentage of net assets of the Fund.
Composition by Country *
United Kingdom 14.8 %
Japan 14.7 %
United States 12.7 %
Taiwan 8.3 %
China 7.0 %
Switzerland 5.8 %
France 5.6 %
Germany 5.4 %
Netherlands 3.8 %
Canada 3.3 %
Other** 16.8 %
Other Assets & Liabilities 1.8 %
Total 100.0 %
*
For Fund compliance purposes, the Fund may not use the same classification system. These classifications are used for financial reporting purposes.
**
Ten largest country/geographic regions are presented. Additional country/geographic regions are found in Other.
Material Fund Change [Text Block]
Material Fund Changes
This is a summary of certain changes to the Fund since the beginning of the reporting period. For more complete information, you may review the Fund’s current prospectus dated February 27, 2026, as may be amended, supplemented or restated, at hartfordfunds.com/reports‑hmf or upon request by calling 1-888-843-7824 or sending an e-mail to orders@mysummaryprospectus.com.
Effective February 27, 2026, the Fund’s principal investment strategy was revised to reflect that the Fund tends to focus on mid to large capitalization companies. As of the same date, “Mid-Cap Securities Risk” replaced “Mid Cap and Small Cap Securities Risk” as a principal risk of the Fund and “Focused Portfolio Risk” was added as a principal risk of the Fund.
Material Fund Change Strategies [Text Block] Effective February 27, 2026, the Fund’s principal investment strategy was revised to reflect that the Fund tends to focus on mid to large capitalization companies.
Material Fund Change Risks Change [Text Block] As of the same date, “Mid-Cap Securities Risk” replaced “Mid Cap and Small Cap Securities Risk” as a principal risk of the Fund and “Focused Portfolio Risk” was added as a principal risk of the Fund.
Summary of Change Legend [Text Block]
This is a summary of certain changes to the Fund since the beginning of the reporting period. For more complete information, you may review the Fund’s current prospectus dated February 27, 2026, as may be amended, supplemented or restated, at hartfordfunds.com/reports‑hmf or upon request by calling 1-888-843-7824 or sending an e-mail to orders@mysummaryprospectus.com.
Updated Prospectus Phone Number 1-888-843-7824
Updated Prospectus Email Address orders@mysummaryprospectus.com
Updated Prospectus Web Address hartfordfunds.com/reports‑hmf
C000172606 [Member]  
Shareholder Report [Line Items]  
Fund Name Hartford Schroders International Stock Fund
Class Name Class R4
Trading Symbol HSWSX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Hartford Schroders International Stock Fund (the "Fund") for the period of November 1, 2025 to April 30, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at hartfordfunds.com/reports-hmf. You can also request this information by contacting us by calling 1‑888‑843‑7824.
Material Fund Change Notice [Text Block]
This report describes changes to the Fund that occurred during the reporting period.
Additional Information Phone Number 1‑888‑843‑7824
Additional Information Website hartfordfunds.com/reports-hmf
Expenses [Text Block]
What were the Fund costs for the last six-months?
(Based on a hypothetical $10,000 investment)
Class Name Costs of a $10,000 investment Costs paid as a percentage
of a $10,000 investment^
Class R4 $55 1.10%
^
Annualized.
Expenses Paid, Amount $ 55
Expense Ratio, Percent 1.10% [26]
Material Change Date Feb. 27, 2026
Net Assets $ 9,349,185,092
Holdings Count | Holding 49
Investment Company Portfolio Turnover 23.00%
Additional Fund Statistics [Text Block]
Key Fund Statistics
as of April 30, 2026
Fund's net assets $9,349,185,092
Total number of portfolio holdings (excluding derivatives, if any) 49
Portfolio turnover rate 23%
Holdings [Text Block]
Graphical Representation of Holdings
as of April 30, 2026
The table below shows the investment makeup of the Fund, representing the percentage of net assets of the Fund.
Composition by Country *
United Kingdom 14.8 %
Japan 14.7 %
United States 12.7 %
Taiwan 8.3 %
China 7.0 %
Switzerland 5.8 %
France 5.6 %
Germany 5.4 %
Netherlands 3.8 %
Canada 3.3 %
Other** 16.8 %
Other Assets & Liabilities 1.8 %
Total 100.0 %
*
For Fund compliance purposes, the Fund may not use the same classification system. These classifications are used for financial reporting purposes.
**
Ten largest country/geographic regions are presented. Additional country/geographic regions are found in Other.
Material Fund Change [Text Block]
Material Fund Changes
This is a summary of certain changes to the Fund since the beginning of the reporting period. For more complete information, you may review the Fund’s current prospectus dated February 27, 2026, as may be amended, supplemented or restated, at hartfordfunds.com/reports‑hmf or upon request by calling 1-888-843-7824 or sending an e-mail to orders@mysummaryprospectus.com.
Effective February 27, 2026, the Fund’s principal investment strategy was revised to reflect that the Fund tends to focus on mid to large capitalization companies. As of the same date, “Mid-Cap Securities Risk” replaced “Mid Cap and Small Cap Securities Risk” as a principal risk of the Fund and “Focused Portfolio Risk” was added as a principal risk of the Fund.
Material Fund Change Strategies [Text Block] Effective February 27, 2026, the Fund’s principal investment strategy was revised to reflect that the Fund tends to focus on mid to large capitalization companies.
Material Fund Change Risks Change [Text Block] As of the same date, “Mid-Cap Securities Risk” replaced “Mid Cap and Small Cap Securities Risk” as a principal risk of the Fund and “Focused Portfolio Risk” was added as a principal risk of the Fund.
Summary of Change Legend [Text Block]
This is a summary of certain changes to the Fund since the beginning of the reporting period. For more complete information, you may review the Fund’s current prospectus dated February 27, 2026, as may be amended, supplemented or restated, at hartfordfunds.com/reports‑hmf or upon request by calling 1-888-843-7824 or sending an e-mail to orders@mysummaryprospectus.com.
Updated Prospectus Phone Number 1-888-843-7824
Updated Prospectus Email Address orders@mysummaryprospectus.com
Updated Prospectus Web Address hartfordfunds.com/reports‑hmf
C000172607 [Member]  
Shareholder Report [Line Items]  
Fund Name Hartford Schroders International Stock Fund
Class Name Class R5
Trading Symbol HSWTX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Hartford Schroders International Stock Fund (the "Fund") for the period of November 1, 2025 to April 30, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at hartfordfunds.com/reports-hmf. You can also request this information by contacting us by calling 1‑888‑843‑7824.
Material Fund Change Notice [Text Block]
This report describes changes to the Fund that occurred during the reporting period.
Additional Information Phone Number 1‑888‑843‑7824
Additional Information Website hartfordfunds.com/reports-hmf
Expenses [Text Block]
What were the Fund costs for the last six-months?
(Based on a hypothetical $10,000 investment)
Class Name Costs of a $10,000 investment Costs paid as a percentage
of a $10,000 investment^
Class R5 $40 0.80%
^
Annualized.
Expenses Paid, Amount $ 40
Expense Ratio, Percent 0.80% [27]
Material Change Date Feb. 27, 2026
Net Assets $ 9,349,185,092
Holdings Count | Holding 49
Investment Company Portfolio Turnover 23.00%
Additional Fund Statistics [Text Block]
Key Fund Statistics
as of April 30, 2026
Fund's net assets $9,349,185,092
Total number of portfolio holdings (excluding derivatives, if any) 49
Portfolio turnover rate 23%
Holdings [Text Block]
Graphical Representation of Holdings
as of April 30, 2026
The table below shows the investment makeup of the Fund, representing the percentage of net assets of the Fund.
Composition by Country *
United Kingdom 14.8 %
Japan 14.7 %
United States 12.7 %
Taiwan 8.3 %
China 7.0 %
Switzerland 5.8 %
France 5.6 %
Germany 5.4 %
Netherlands 3.8 %
Canada 3.3 %
Other** 16.8 %
Other Assets & Liabilities 1.8 %
Total 100.0 %
*
For Fund compliance purposes, the Fund may not use the same classification system. These classifications are used for financial reporting purposes.
**
Ten largest country/geographic regions are presented. Additional country/geographic regions are found in Other.
Material Fund Change [Text Block]
Material Fund Changes
This is a summary of certain changes to the Fund since the beginning of the reporting period. For more complete information, you may review the Fund’s current prospectus dated February 27, 2026, as may be amended, supplemented or restated, at hartfordfunds.com/reports‑hmf or upon request by calling 1-888-843-7824 or sending an e-mail to orders@mysummaryprospectus.com.
Effective February 27, 2026, the Fund’s principal investment strategy was revised to reflect that the Fund tends to focus on mid to large capitalization companies. As of the same date, “Mid-Cap Securities Risk” replaced “Mid Cap and Small Cap Securities Risk” as a principal risk of the Fund and “Focused Portfolio Risk” was added as a principal risk of the Fund.
Material Fund Change Strategies [Text Block] Effective February 27, 2026, the Fund’s principal investment strategy was revised to reflect that the Fund tends to focus on mid to large capitalization companies.
Material Fund Change Risks Change [Text Block] As of the same date, “Mid-Cap Securities Risk” replaced “Mid Cap and Small Cap Securities Risk” as a principal risk of the Fund and “Focused Portfolio Risk” was added as a principal risk of the Fund.
Summary of Change Legend [Text Block]
This is a summary of certain changes to the Fund since the beginning of the reporting period. For more complete information, you may review the Fund’s current prospectus dated February 27, 2026, as may be amended, supplemented or restated, at hartfordfunds.com/reports‑hmf or upon request by calling 1-888-843-7824 or sending an e-mail to orders@mysummaryprospectus.com.
Updated Prospectus Phone Number 1-888-843-7824
Updated Prospectus Email Address orders@mysummaryprospectus.com
Updated Prospectus Web Address hartfordfunds.com/reports‑hmf
C000172608 [Member]  
Shareholder Report [Line Items]  
Fund Name Hartford Schroders International Stock Fund
Class Name Class Y
Trading Symbol HSWYX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Hartford Schroders International Stock Fund (the "Fund") for the period of November 1, 2025 to April 30, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at hartfordfunds.com/reports-hmf. You can also request this information by contacting us by calling 1‑888‑843‑7824.
Material Fund Change Notice [Text Block]
This report describes changes to the Fund that occurred during the reporting period.
Additional Information Phone Number 1‑888‑843‑7824
Additional Information Website hartfordfunds.com/reports-hmf
Expenses [Text Block]
What were the Fund costs for the last six-months?
(Based on a hypothetical $10,000 investment)
Class Name Costs of a $10,000 investment Costs paid as a percentage
of a $10,000 investment^
Class Y $40 0.79%
^
Annualized.
Expenses Paid, Amount $ 40
Expense Ratio, Percent 0.79% [28]
Material Change Date Feb. 27, 2026
Net Assets $ 9,349,185,092
Holdings Count | Holding 49
Investment Company Portfolio Turnover 23.00%
Additional Fund Statistics [Text Block]
Key Fund Statistics
as of April 30, 2026
Fund's net assets $9,349,185,092
Total number of portfolio holdings (excluding derivatives, if any) 49
Portfolio turnover rate 23%
Holdings [Text Block]
Graphical Representation of Holdings
as of April 30, 2026
The table below shows the investment makeup of the Fund, representing the percentage of net assets of the Fund.
Composition by Country *
United Kingdom 14.8 %
Japan 14.7 %
United States 12.7 %
Taiwan 8.3 %
China 7.0 %
Switzerland 5.8 %
France 5.6 %
Germany 5.4 %
Netherlands 3.8 %
Canada 3.3 %
Other** 16.8 %
Other Assets & Liabilities 1.8 %
Total 100.0 %
*
For Fund compliance purposes, the Fund may not use the same classification system. These classifications are used for financial reporting purposes.
**
Ten largest country/geographic regions are presented. Additional country/geographic regions are found in Other.
Material Fund Change [Text Block]
Material Fund Changes
This is a summary of certain changes to the Fund since the beginning of the reporting period. For more complete information, you may review the Fund’s current prospectus dated February 27, 2026, as may be amended, supplemented or restated, at hartfordfunds.com/reports‑hmf or upon request by calling 1-888-843-7824 or sending an e-mail to orders@mysummaryprospectus.com.
Effective February 27, 2026, the Fund’s principal investment strategy was revised to reflect that the Fund tends to focus on mid to large capitalization companies. As of the same date, “Mid-Cap Securities Risk” replaced “Mid Cap and Small Cap Securities Risk” as a principal risk of the Fund and “Focused Portfolio Risk” was added as a principal risk of the Fund.
Material Fund Change Strategies [Text Block] Effective February 27, 2026, the Fund’s principal investment strategy was revised to reflect that the Fund tends to focus on mid to large capitalization companies.
Material Fund Change Risks Change [Text Block] As of the same date, “Mid-Cap Securities Risk” replaced “Mid Cap and Small Cap Securities Risk” as a principal risk of the Fund and “Focused Portfolio Risk” was added as a principal risk of the Fund.
Summary of Change Legend [Text Block]
This is a summary of certain changes to the Fund since the beginning of the reporting period. For more complete information, you may review the Fund’s current prospectus dated February 27, 2026, as may be amended, supplemented or restated, at hartfordfunds.com/reports‑hmf or upon request by calling 1-888-843-7824 or sending an e-mail to orders@mysummaryprospectus.com.
Updated Prospectus Phone Number 1-888-843-7824
Updated Prospectus Email Address orders@mysummaryprospectus.com
Updated Prospectus Web Address hartfordfunds.com/reports‑hmf
C000185827 [Member]  
Shareholder Report [Line Items]  
Fund Name Hartford Schroders International Stock Fund
Class Name Class F
Trading Symbol HSWFX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Hartford Schroders International Stock Fund (the "Fund") for the period of November 1, 2025 to April 30, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at hartfordfunds.com/reports-hmf. You can also request this information by contacting us by calling 1‑888‑843‑7824.
Material Fund Change Notice [Text Block]
This report describes changes to the Fund that occurred during the reporting period.
Additional Information Phone Number 1‑888‑843‑7824
Additional Information Website hartfordfunds.com/reports-hmf
Expenses [Text Block]
What were the Fund costs for the last six-months?
(Based on a hypothetical $10,000 investment)
Class Name Costs of a $10,000 investment Costs paid as a percentage
of a $10,000 investment^
Class F $35 0.69%
^
Annualized.
Expenses Paid, Amount $ 35
Expense Ratio, Percent 0.69% [29]
Material Change Date Feb. 27, 2026
Net Assets $ 9,349,185,092
Holdings Count | Holding 49
Investment Company Portfolio Turnover 23.00%
Additional Fund Statistics [Text Block]
Key Fund Statistics
as of April 30, 2026
Fund's net assets $9,349,185,092
Total number of portfolio holdings (excluding derivatives, if any) 49
Portfolio turnover rate 23%
Holdings [Text Block]
Graphical Representation of Holdings
as of April 30, 2026
The table below shows the investment makeup of the Fund, representing the percentage of net assets of the Fund.
Composition by Country *
United Kingdom 14.8 %
Japan 14.7 %
United States 12.7 %
Taiwan 8.3 %
China 7.0 %
Switzerland 5.8 %
France 5.6 %
Germany 5.4 %
Netherlands 3.8 %
Canada 3.3 %
Other** 16.8 %
Other Assets & Liabilities 1.8 %
Total 100.0 %
*
For Fund compliance purposes, the Fund may not use the same classification system. These classifications are used for financial reporting purposes.
**
Ten largest country/geographic regions are presented. Additional country/geographic regions are found in Other.
Material Fund Change [Text Block]
Material Fund Changes
This is a summary of certain changes to the Fund since the beginning of the reporting period. For more complete information, you may review the Fund’s current prospectus dated February 27, 2026, as may be amended, supplemented or restated, at hartfordfunds.com/reports‑hmf or upon request by calling 1-888-843-7824 or sending an e-mail to orders@mysummaryprospectus.com.
Effective February 27, 2026, the Fund’s principal investment strategy was revised to reflect that the Fund tends to focus on mid to large capitalization companies. As of the same date, “Mid-Cap Securities Risk” replaced “Mid Cap and Small Cap Securities Risk” as a principal risk of the Fund and “Focused Portfolio Risk” was added as a principal risk of the Fund.
Material Fund Change Strategies [Text Block] Effective February 27, 2026, the Fund’s principal investment strategy was revised to reflect that the Fund tends to focus on mid to large capitalization companies.
Material Fund Change Risks Change [Text Block] As of the same date, “Mid-Cap Securities Risk” replaced “Mid Cap and Small Cap Securities Risk” as a principal risk of the Fund and “Focused Portfolio Risk” was added as a principal risk of the Fund.
Summary of Change Legend [Text Block]
This is a summary of certain changes to the Fund since the beginning of the reporting period. For more complete information, you may review the Fund’s current prospectus dated February 27, 2026, as may be amended, supplemented or restated, at hartfordfunds.com/reports‑hmf or upon request by calling 1-888-843-7824 or sending an e-mail to orders@mysummaryprospectus.com.
Updated Prospectus Phone Number 1-888-843-7824
Updated Prospectus Email Address orders@mysummaryprospectus.com
Updated Prospectus Web Address hartfordfunds.com/reports‑hmf
C000172609 [Member]  
Shareholder Report [Line Items]  
Fund Name Hartford Schroders International Stock Fund
Class Name Class SDR
Trading Symbol SCIJX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Hartford Schroders International Stock Fund (the "Fund") for the period of November 1, 2025 to April 30, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at hartfordfunds.com/reports-hmf. You can also request this information by contacting us by calling 1‑888‑843‑7824.
Material Fund Change Notice [Text Block]
This report describes changes to the Fund that occurred during the reporting period.
Additional Information Phone Number 1‑888‑843‑7824
Additional Information Website hartfordfunds.com/reports-hmf
Expenses [Text Block]
What were the Fund costs for the last six-months?
(Based on a hypothetical $10,000 investment)
Class Name Costs of a $10,000 investment Costs paid as a percentage
of a $10,000 investment^
Class SDR $35 0.69%
^
Annualized.
Expenses Paid, Amount $ 35
Expense Ratio, Percent 0.69% [30]
Material Change Date Feb. 27, 2026
Net Assets $ 9,349,185,092
Holdings Count | Holding 49
Investment Company Portfolio Turnover 23.00%
Additional Fund Statistics [Text Block]
Key Fund Statistics
as of April 30, 2026
Fund's net assets $9,349,185,092
Total number of portfolio holdings (excluding derivatives, if any) 49
Portfolio turnover rate 23%
Holdings [Text Block]
Graphical Representation of Holdings
as of April 30, 2026
The table below shows the investment makeup of the Fund, representing the percentage of net assets of the Fund.
Composition by Country *
United Kingdom 14.8 %
Japan 14.7 %
United States 12.7 %
Taiwan 8.3 %
China 7.0 %
Switzerland 5.8 %
France 5.6 %
Germany 5.4 %
Netherlands 3.8 %
Canada 3.3 %
Other** 16.8 %
Other Assets & Liabilities 1.8 %
Total 100.0 %
*
For Fund compliance purposes, the Fund may not use the same classification system. These classifications are used for financial reporting purposes.
**
Ten largest country/geographic regions are presented. Additional country/geographic regions are found in Other.
Material Fund Change [Text Block]
Material Fund Changes
This is a summary of certain changes to the Fund since the beginning of the reporting period. For more complete information, you may review the Fund’s current prospectus dated February 27, 2026, as may be amended, supplemented or restated, at hartfordfunds.com/reports‑hmf or upon request by calling 1-888-843-7824 or sending an e-mail to orders@mysummaryprospectus.com.
Effective February 27, 2026, the Fund’s principal investment strategy was revised to reflect that the Fund tends to focus on mid to large capitalization companies. As of the same date, “Mid-Cap Securities Risk” replaced “Mid Cap and Small Cap Securities Risk” as a principal risk of the Fund and “Focused Portfolio Risk” was added as a principal risk of the Fund.
Material Fund Change Strategies [Text Block] Effective February 27, 2026, the Fund’s principal investment strategy was revised to reflect that the Fund tends to focus on mid to large capitalization companies.
Material Fund Change Risks Change [Text Block] As of the same date, “Mid-Cap Securities Risk” replaced “Mid Cap and Small Cap Securities Risk” as a principal risk of the Fund and “Focused Portfolio Risk” was added as a principal risk of the Fund.
Summary of Change Legend [Text Block]
This is a summary of certain changes to the Fund since the beginning of the reporting period. For more complete information, you may review the Fund’s current prospectus dated February 27, 2026, as may be amended, supplemented or restated, at hartfordfunds.com/reports‑hmf or upon request by calling 1-888-843-7824 or sending an e-mail to orders@mysummaryprospectus.com.
Updated Prospectus Phone Number 1-888-843-7824
Updated Prospectus Email Address orders@mysummaryprospectus.com
Updated Prospectus Web Address hartfordfunds.com/reports‑hmf
C000230636 [Member]  
Shareholder Report [Line Items]  
Fund Name Hartford Schroders Core Fixed Income Fund
Class Name Class SDR
Trading Symbol SCBRX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Hartford Schroders Core Fixed Income Fund (the "Fund") for the period of November 1, 2025 to April 30, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at hartfordfunds.com/reports-hmf. You can also request this information by contacting us by calling 1‑888‑843‑7824.
Additional Information Phone Number 1‑888‑843‑7824
Additional Information Website hartfordfunds.com/reports-hmf
Expenses [Text Block]
What were the Fund costs for the last six-months?
(Based on a hypothetical $10,000 investment)
Class Name Costs of a $10,000 investment Costs paid as a percentage
of a $10,000 investment^
Class SDR $18 0.36%
^
Annualized.
Expenses Paid, Amount $ 18
Expense Ratio, Percent 0.36% [31]
Net Assets $ 74,846,595
Holdings Count | Holding 184
Investment Company Portfolio Turnover 57.00%
Additional Fund Statistics [Text Block]
Key Fund Statistics
as of April 30, 2026
Fund's net assets $74,846,595
Total number of portfolio holdings 184
Portfolio turnover rate 57%
Holdings [Text Block]
Graphical Representation of Holdings
as of April 30, 2026
The table below shows the investment makeup of the Fund, representing the percentage of net assets of the Fund.
Composition by Security Type
Corporate Bonds 32.9 %
U.S. Government Agencies^ 28.3 %
U.S. Government Securities 23.2 %
Municipal Bonds 8.2 %
Foreign Government Obligations 2.7 %
Asset-Backed & Commercial Mortgage-Backed Securities 0.5 %
Short-Term Investments 3.1 %
Other Assets & Liabilities 1.1 %
Total 100.0 %
​^
All, or a portion of the securities categorized as U.S. Government Agencies, were agency mortgage-backed securities.
C000247960 [Member]  
Shareholder Report [Line Items]  
Fund Name Hartford Schroders International Contrarian Value Fund
Class Name Class A
Trading Symbol HFAJX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Hartford Schroders International Contrarian Value Fund (the "Fund") for the period of November 1, 2025 to April 30, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at hartfordfunds.com/reports-hmf. You can also request this information by contacting us by calling 1‑888‑843‑7824.
Additional Information Phone Number 1‑888‑843‑7824
Additional Information Website hartfordfunds.com/reports-hmf
Expenses [Text Block]
What were the Fund costs for the last six-months?
(Based on a hypothetical $10,000 investment)
Class Name Costs of a $10,000 investment Costs paid as a percentage
of a $10,000 investment^
Class A $56 1.07%
^
Annualized.
Expenses Paid, Amount $ 56
Expense Ratio, Percent 1.07% [32]
Net Assets $ 226,412,251
Holdings Count | Holding 54
Investment Company Portfolio Turnover 16.00%
Additional Fund Statistics [Text Block]
Key Fund Statistics
as of April 30, 2026
Fund's net assets $226,412,251
Total number of portfolio holdings 54
Portfolio turnover rate 16%
Holdings [Text Block]
Graphical Representation of Holdings
as of April 30, 2026
The table below shows the investment makeup of the Fund, representing the percentage of net assets of the Fund.
Composition by Country *
United Kingdom 22.6 %
Japan 13.5 %
Germany 12.1 %
France 11.9 %
Netherlands 6.1 %
United States 5.0 %
South Korea 4.2 %
Switzerland 3.6 %
Italy 2.0 %
Spain 2.0 %
Other** 15.0 %
Short-Term Investments 2.7 %
Other Assets & Liabilities (0.7 )%
Total 100.0 %
*
For Fund compliance purposes, the Fund may not use the same classification system. These classifications are used for financial reporting purposes.
**
Ten largest country/geographic regions are presented. Additional country/geographic regions are found in Other.
C000247961 [Member]  
Shareholder Report [Line Items]  
Fund Name Hartford Schroders International Contrarian Value Fund
Class Name Class C
Trading Symbol HFAEX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Hartford Schroders International Contrarian Value Fund (the "Fund") for the period of November 1, 2025 to April 30, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at hartfordfunds.com/reports-hmf. You can also request this information by contacting us by calling 1‑888‑843‑7824.
Additional Information Phone Number 1‑888‑843‑7824
Additional Information Website hartfordfunds.com/reports-hmf
Expenses [Text Block]
What were the Fund costs for the last six-months?
(Based on a hypothetical $10,000 investment)
Class Name Costs of a $10,000 investment Costs paid as a percentage
of a $10,000 investment^
Class C $86 1.64%
^
Annualized.
Expenses Paid, Amount $ 86
Expense Ratio, Percent 1.64% [33]
Net Assets $ 226,412,251
Holdings Count | Holding 54
Investment Company Portfolio Turnover 16.00%
Additional Fund Statistics [Text Block]
Key Fund Statistics
as of April 30, 2026
Fund's net assets $226,412,251
Total number of portfolio holdings 54
Portfolio turnover rate 16%
Holdings [Text Block]
Graphical Representation of Holdings
as of April 30, 2026
The table below shows the investment makeup of the Fund, representing the percentage of net assets of the Fund.
Composition by Country *
United Kingdom 22.6 %
Japan 13.5 %
Germany 12.1 %
France 11.9 %
Netherlands 6.1 %
United States 5.0 %
South Korea 4.2 %
Switzerland 3.6 %
Italy 2.0 %
Spain 2.0 %
Other** 15.0 %
Short-Term Investments 2.7 %
Other Assets & Liabilities (0.7 )%
Total 100.0 %
*
For Fund compliance purposes, the Fund may not use the same classification system. These classifications are used for financial reporting purposes.
**
Ten largest country/geographic regions are presented. Additional country/geographic regions are found in Other.
C000230642 [Member]  
Shareholder Report [Line Items]  
Fund Name Hartford Schroders Core Fixed Income Fund
Class Name Class R5
Trading Symbol HSADX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Hartford Schroders Core Fixed Income Fund (the "Fund") for the period of November 1, 2025 to April 30, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at hartfordfunds.com/reports-hmf. You can also request this information by contacting us by calling 1‑888‑843‑7824.
Additional Information Phone Number 1‑888‑843‑7824
Additional Information Website hartfordfunds.com/reports-hmf
Expenses [Text Block]
What were the Fund costs for the last six-months?
(Based on a hypothetical $10,000 investment)
Class Name Costs of a $10,000 investment Costs paid as a percentage
of a $10,000 investment^
Class R5 $23 0.46%
^
Annualized.
Expenses Paid, Amount $ 23
Expense Ratio, Percent 0.46% [34]
Net Assets $ 74,846,595
Holdings Count | Holding 184
Investment Company Portfolio Turnover 57.00%
Additional Fund Statistics [Text Block]
Key Fund Statistics
as of April 30, 2026
Fund's net assets $74,846,595
Total number of portfolio holdings 184
Portfolio turnover rate 57%
Holdings [Text Block]
Graphical Representation of Holdings
as of April 30, 2026
The table below shows the investment makeup of the Fund, representing the percentage of net assets of the Fund.
Composition by Security Type
Corporate Bonds 32.9 %
U.S. Government Agencies^ 28.3 %
U.S. Government Securities 23.2 %
Municipal Bonds 8.2 %
Foreign Government Obligations 2.7 %
Asset-Backed & Commercial Mortgage-Backed Securities 0.5 %
Short-Term Investments 3.1 %
Other Assets & Liabilities 1.1 %
Total 100.0 %
​^
All, or a portion of the securities categorized as U.S. Government Agencies, were agency mortgage-backed securities.
C000230638 [Member]  
Shareholder Report [Line Items]  
Fund Name Hartford Schroders Core Fixed Income Fund
Class Name Class Y
Trading Symbol SCBIX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Hartford Schroders Core Fixed Income Fund (the "Fund") for the period of November 1, 2025 to April 30, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at hartfordfunds.com/reports-hmf. You can also request this information by contacting us by calling 1‑888‑843‑7824.
Additional Information Phone Number 1‑888‑843‑7824
Additional Information Website hartfordfunds.com/reports-hmf
Expenses [Text Block]
What were the Fund costs for the last six-months?
(Based on a hypothetical $10,000 investment)
Class Name Costs of a $10,000 investment Costs paid as a percentage
of a $10,000 investment^
Class Y $20 0.40%
^
Annualized.
Expenses Paid, Amount $ 20
Expense Ratio, Percent 0.40% [35]
Net Assets $ 74,846,595
Holdings Count | Holding 184
Investment Company Portfolio Turnover 57.00%
Additional Fund Statistics [Text Block]
Key Fund Statistics
as of April 30, 2026
Fund's net assets $74,846,595
Total number of portfolio holdings 184
Portfolio turnover rate 57%
Holdings [Text Block]
Graphical Representation of Holdings
as of April 30, 2026
The table below shows the investment makeup of the Fund, representing the percentage of net assets of the Fund.
Composition by Security Type
Corporate Bonds 32.9 %
U.S. Government Agencies^ 28.3 %
U.S. Government Securities 23.2 %
Municipal Bonds 8.2 %
Foreign Government Obligations 2.7 %
Asset-Backed & Commercial Mortgage-Backed Securities 0.5 %
Short-Term Investments 3.1 %
Other Assets & Liabilities 1.1 %
Total 100.0 %
​^
All, or a portion of the securities categorized as U.S. Government Agencies, were agency mortgage-backed securities.
C000230637 [Member]  
Shareholder Report [Line Items]  
Fund Name Hartford Schroders Core Fixed Income Fund
Class Name Class F
Trading Symbol HSSFX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Hartford Schroders Core Fixed Income Fund (the "Fund") for the period of November 1, 2025 to April 30, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at hartfordfunds.com/reports-hmf. You can also request this information by contacting us by calling 1‑888‑843‑7824.
Additional Information Phone Number 1‑888‑843‑7824
Additional Information Website hartfordfunds.com/reports-hmf
Expenses [Text Block]
What were the Fund costs for the last six-months?
(Based on a hypothetical $10,000 investment)
Class Name Costs of a $10,000 investment Costs paid as a percentage
of a $10,000 investment^
Class F $18 0.36%
^
Annualized.
Expenses Paid, Amount $ 18
Expense Ratio, Percent 0.36% [36]
Net Assets $ 74,846,595
Holdings Count | Holding 184
Investment Company Portfolio Turnover 57.00%
Additional Fund Statistics [Text Block]
Key Fund Statistics
as of April 30, 2026
Fund's net assets $74,846,595
Total number of portfolio holdings 184
Portfolio turnover rate 57%
Holdings [Text Block]
Graphical Representation of Holdings
as of April 30, 2026
The table below shows the investment makeup of the Fund, representing the percentage of net assets of the Fund.
Composition by Security Type
Corporate Bonds 32.9 %
U.S. Government Agencies^ 28.3 %
U.S. Government Securities 23.2 %
Municipal Bonds 8.2 %
Foreign Government Obligations 2.7 %
Asset-Backed & Commercial Mortgage-Backed Securities 0.5 %
Short-Term Investments 3.1 %
Other Assets & Liabilities 1.1 %
Total 100.0 %
​^
All, or a portion of the securities categorized as U.S. Government Agencies, were agency mortgage-backed securities.
C000244677 [Member]  
Shareholder Report [Line Items]  
Fund Name Hartford Schroders Diversified Opportunities Fund (Consolidated)(formerly, Hartford Schroders Diversified Growth Fund)
Class Name Class SDR
Trading Symbol HFSGX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Hartford Schroders Diversified Opportunities Fund (the "Fund") for the period of November 1, 2025 to April 30, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at hartfordfunds.com/reports-hmf. You can also request this information by contacting us by calling 1‑888‑843‑7824.
Material Fund Change Notice [Text Block]
This report describes changes to the Fund that occurred during the reporting period.
Additional Information Phone Number 1‑888‑843‑7824
Additional Information Website hartfordfunds.com/reports-hmf
Expenses [Text Block]
What were the Fund costs for the last six-months?
(Based on a hypothetical $10,000 investment)
Class Name Costs of a $10,000 investment Costs paid as a percentage
of a $10,000 investment^
Class SDR $33* 0.65%*
^
Annualized.
*
Costs paid excludes fees and expenses incurred indirectly as a result of investments in other investment companies.
Expenses Paid, Amount $ 33 [37]
Expense Ratio, Percent 0.65% [37],[38]
Net Assets $ 163,982,281
Holdings Count | Holding 990
Investment Company Portfolio Turnover 24.00%
Additional Fund Statistics [Text Block]
Key Fund Statistics
as of April 30, 2026
Fund's net assets $163,982,281
Total number of portfolio holdings 990
Portfolio turnover rate 24%
Holdings [Text Block]
Graphical Representation of Holdings
as of April 30, 2026
The table below shows the investment makeup of the Fund, representing the percentage of net assets of the Fund.
Composition by Security Type
Common Stocks 53.5 %
Exchange-Traded Funds 20.4 %
U.S. Government Agencies^ 9.3 %
Foreign Government Obligations 3.6 %
U.S. Government Securities 0.7 %
Preferred Stocks 0.0 %†
Short-Term Investments 12.6 %
Other Assets & Liabilities (0.1 )%
Total 100.0 %
​^
All, or a portion of the securities categorized as U.S. Government Agencies, were agency mortgage-backed securities.
​†
Percentage rounds to zero.
Material Fund Change [Text Block]
Material Fund Changes
This is a summary of certain changes to the Fund since the beginning of the reporting period. For more complete information, you may review the Fund’s current prospectus dated February 27, 2026, as may be amended, supplemented or restated, at hartfordfunds.com/reports‑hmf or upon request by calling 1-888-843-7824 or sending an e-mail to orders@mysummaryprospectus.com.
Effective February 27, 2026, the Fund modified its target asset allocations related to equity and fixed income investments. As a result, effective February 27, 2026, under normal circumstances, the Fund’s sub-advisers target an allocation between 30% to 80% of the Fund’s net assets in equity and equity related investments, 10% to 70% of the Fund’s net assets in fixed income and fixed income related investments, and 0% to 35% of its net assets in alternative related investments.
Summary of Change Legend [Text Block]
This is a summary of certain changes to the Fund since the beginning of the reporting period. For more complete information, you may review the Fund’s current prospectus dated February 27, 2026, as may be amended, supplemented or restated, at hartfordfunds.com/reports‑hmf or upon request by calling 1-888-843-7824 or sending an e-mail to orders@mysummaryprospectus.com.
Updated Prospectus Phone Number 1-888-843-7824
Updated Prospectus Email Address orders@mysummaryprospectus.com
Updated Prospectus Web Address hartfordfunds.com/reports‑hmf
C000236223 [Member]  
Shareholder Report [Line Items]  
Fund Name Hartford Schroders International Contrarian Value Fund
Class Name Class SDR
Trading Symbol HFSSX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Hartford Schroders International Contrarian Value Fund (the "Fund") for the period of November 1, 2025 to April 30, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at hartfordfunds.com/reports-hmf. You can also request this information by contacting us by calling 1‑888‑843‑7824.
Additional Information Phone Number 1‑888‑843‑7824
Additional Information Website hartfordfunds.com/reports-hmf
Expenses [Text Block]
What were the Fund costs for the last six-months?
(Based on a hypothetical $10,000 investment)
Class Name Costs of a $10,000 investment Costs paid as a percentage
of a $10,000 investment^
Class SDR $37 0.70%
^
Annualized.
Expenses Paid, Amount $ 37
Expense Ratio, Percent 0.70% [39]
Net Assets $ 226,412,251
Holdings Count | Holding 54
Investment Company Portfolio Turnover 16.00%
Additional Fund Statistics [Text Block]
Key Fund Statistics
as of April 30, 2026
Fund's net assets $226,412,251
Total number of portfolio holdings 54
Portfolio turnover rate 16%
Holdings [Text Block]
Graphical Representation of Holdings
as of April 30, 2026
The table below shows the investment makeup of the Fund, representing the percentage of net assets of the Fund.
Composition by Country *
United Kingdom 22.6 %
Japan 13.5 %
Germany 12.1 %
France 11.9 %
Netherlands 6.1 %
United States 5.0 %
South Korea 4.2 %
Switzerland 3.6 %
Italy 2.0 %
Spain 2.0 %
Other** 15.0 %
Short-Term Investments 2.7 %
Other Assets & Liabilities (0.7 )%
Total 100.0 %
*
For Fund compliance purposes, the Fund may not use the same classification system. These classifications are used for financial reporting purposes.
**
Ten largest country/geographic regions are presented. Additional country/geographic regions are found in Other.
C000244676 [Member]  
Shareholder Report [Line Items]  
Fund Name Hartford Schroders Diversified Opportunities Fund (Consolidated)(formerly, Hartford Schroders Diversified Growth Fund)
Class Name Class I
Trading Symbol HFIGX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Hartford Schroders Diversified Opportunities Fund (the "Fund") for the period of November 1, 2025 to April 30, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at hartfordfunds.com/reports-hmf. You can also request this information by contacting us by calling 1‑888‑843‑7824.
Material Fund Change Notice [Text Block]
This report describes changes to the Fund that occurred during the reporting period.
Additional Information Phone Number 1‑888‑843‑7824
Additional Information Website hartfordfunds.com/reports-hmf
Expenses [Text Block]
What were the Fund costs for the last six-months?
(Based on a hypothetical $10,000 investment)
Class Name Costs of a $10,000 investment Costs paid as a percentage
of a $10,000 investment^
Class I $41* 0.80%*
^
Annualized.
*
Costs paid excludes fees and expenses incurred indirectly as a result of investments in other investment companies.
Expenses Paid, Amount $ 41 [40]
Expense Ratio, Percent 0.80% [40],[41]
Net Assets $ 163,982,281
Holdings Count | Holding 990
Investment Company Portfolio Turnover 24.00%
Additional Fund Statistics [Text Block]
Key Fund Statistics
as of April 30, 2026
Fund's net assets $163,982,281
Total number of portfolio holdings 990
Portfolio turnover rate 24%
Holdings [Text Block]
Graphical Representation of Holdings
as of April 30, 2026
The table below shows the investment makeup of the Fund, representing the percentage of net assets of the Fund.
Composition by Security Type
Common Stocks 53.5 %
Exchange-Traded Funds 20.4 %
U.S. Government Agencies^ 9.3 %
Foreign Government Obligations 3.6 %
U.S. Government Securities 0.7 %
Preferred Stocks 0.0 %†
Short-Term Investments 12.6 %
Other Assets & Liabilities (0.1 )%
Total 100.0 %
​^
All, or a portion of the securities categorized as U.S. Government Agencies, were agency mortgage-backed securities.
​†
Percentage rounds to zero.
Material Fund Change [Text Block]
Material Fund Changes
This is a summary of certain changes to the Fund since the beginning of the reporting period. For more complete information, you may review the Fund’s current prospectus dated February 27, 2026, as may be amended, supplemented or restated, at hartfordfunds.com/reports‑hmf or upon request by calling 1-888-843-7824 or sending an e-mail to orders@mysummaryprospectus.com.
Effective February 27, 2026, the Fund modified its target asset allocations related to equity and fixed income investments. As a result, effective February 27, 2026, under normal circumstances, the Fund’s sub-advisers target an allocation between 30% to 80% of the Fund’s net assets in equity and equity related investments, 10% to 70% of the Fund’s net assets in fixed income and fixed income related investments, and 0% to 35% of its net assets in alternative related investments.
Summary of Change Legend [Text Block]
This is a summary of certain changes to the Fund since the beginning of the reporting period. For more complete information, you may review the Fund’s current prospectus dated February 27, 2026, as may be amended, supplemented or restated, at hartfordfunds.com/reports‑hmf or upon request by calling 1-888-843-7824 or sending an e-mail to orders@mysummaryprospectus.com.
Updated Prospectus Phone Number 1-888-843-7824
Updated Prospectus Email Address orders@mysummaryprospectus.com
Updated Prospectus Web Address hartfordfunds.com/reports‑hmf
C000236224 [Member]  
Shareholder Report [Line Items]  
Fund Name Hartford Schroders International Contrarian Value Fund
Class Name Class I
Trading Symbol HFSIX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Hartford Schroders International Contrarian Value Fund (the "Fund") for the period of November 1, 2025 to April 30, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at hartfordfunds.com/reports-hmf. You can also request this information by contacting us by calling 1‑888‑843‑7824.
Additional Information Phone Number 1‑888‑843‑7824
Additional Information Website hartfordfunds.com/reports-hmf
Expenses [Text Block]
What were the Fund costs for the last six-months?
(Based on a hypothetical $10,000 investment)
Class Name Costs of a $10,000 investment Costs paid as a percentage
of a $10,000 investment^
Class I $45 0.85%
^
Annualized.
Expenses Paid, Amount $ 45
Expense Ratio, Percent 0.85% [42]
Net Assets $ 226,412,251
Holdings Count | Holding 54
Investment Company Portfolio Turnover 16.00%
Additional Fund Statistics [Text Block]
Key Fund Statistics
as of April 30, 2026
Fund's net assets $226,412,251
Total number of portfolio holdings 54
Portfolio turnover rate 16%
Holdings [Text Block]
Graphical Representation of Holdings
as of April 30, 2026
The table below shows the investment makeup of the Fund, representing the percentage of net assets of the Fund.
Composition by Country *
United Kingdom 22.6 %
Japan 13.5 %
Germany 12.1 %
France 11.9 %
Netherlands 6.1 %
United States 5.0 %
South Korea 4.2 %
Switzerland 3.6 %
Italy 2.0 %
Spain 2.0 %
Other** 15.0 %
Short-Term Investments 2.7 %
Other Assets & Liabilities (0.7 )%
Total 100.0 %
*
For Fund compliance purposes, the Fund may not use the same classification system. These classifications are used for financial reporting purposes.
**
Ten largest country/geographic regions are presented. Additional country/geographic regions are found in Other.
C000247962 [Member]  
Shareholder Report [Line Items]  
Fund Name Hartford Schroders International Contrarian Value Fund
Class Name Class R5
Trading Symbol HFAFX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Hartford Schroders International Contrarian Value Fund (the "Fund") for the period of November 1, 2025 to April 30, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at hartfordfunds.com/reports-hmf. You can also request this information by contacting us by calling 1‑888‑843‑7824.
Additional Information Phone Number 1‑888‑843‑7824
Additional Information Website hartfordfunds.com/reports-hmf
Expenses [Text Block]
What were the Fund costs for the last six-months?
(Based on a hypothetical $10,000 investment)
Class Name Costs of a $10,000 investment Costs paid as a percentage
of a $10,000 investment^
Class R5 $42 0.80%
^
Annualized.
Expenses Paid, Amount $ 42
Expense Ratio, Percent 0.80% [43]
Net Assets $ 226,412,251
Holdings Count | Holding 54
Investment Company Portfolio Turnover 16.00%
Additional Fund Statistics [Text Block]
Key Fund Statistics
as of April 30, 2026
Fund's net assets $226,412,251
Total number of portfolio holdings 54
Portfolio turnover rate 16%
Holdings [Text Block]
Graphical Representation of Holdings
as of April 30, 2026
The table below shows the investment makeup of the Fund, representing the percentage of net assets of the Fund.
Composition by Country *
United Kingdom 22.6 %
Japan 13.5 %
Germany 12.1 %
France 11.9 %
Netherlands 6.1 %
United States 5.0 %
South Korea 4.2 %
Switzerland 3.6 %
Italy 2.0 %
Spain 2.0 %
Other** 15.0 %
Short-Term Investments 2.7 %
Other Assets & Liabilities (0.7 )%
Total 100.0 %
*
For Fund compliance purposes, the Fund may not use the same classification system. These classifications are used for financial reporting purposes.
**
Ten largest country/geographic regions are presented. Additional country/geographic regions are found in Other.
C000247959 [Member]  
Shareholder Report [Line Items]  
Fund Name Hartford Schroders International Contrarian Value Fund
Class Name Class Y
Trading Symbol HFAHX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Hartford Schroders International Contrarian Value Fund (the "Fund") for the period of November 1, 2025 to April 30, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at hartfordfunds.com/reports-hmf. You can also request this information by contacting us by calling 1‑888‑843‑7824.
Additional Information Phone Number 1‑888‑843‑7824
Additional Information Website hartfordfunds.com/reports-hmf
Expenses [Text Block]
What were the Fund costs for the last six-months?
(Based on a hypothetical $10,000 investment)
Class Name Costs of a $10,000 investment Costs paid as a percentage
of a $10,000 investment^
Class Y $42 0.80%
^
Annualized.
Expenses Paid, Amount $ 42
Expense Ratio, Percent 0.80% [44]
Net Assets $ 226,412,251
Holdings Count | Holding 54
Investment Company Portfolio Turnover 16.00%
Additional Fund Statistics [Text Block]
Key Fund Statistics
as of April 30, 2026
Fund's net assets $226,412,251
Total number of portfolio holdings 54
Portfolio turnover rate 16%
Holdings [Text Block]
Graphical Representation of Holdings
as of April 30, 2026
The table below shows the investment makeup of the Fund, representing the percentage of net assets of the Fund.
Composition by Country *
United Kingdom 22.6 %
Japan 13.5 %
Germany 12.1 %
France 11.9 %
Netherlands 6.1 %
United States 5.0 %
South Korea 4.2 %
Switzerland 3.6 %
Italy 2.0 %
Spain 2.0 %
Other** 15.0 %
Short-Term Investments 2.7 %
Other Assets & Liabilities (0.7 )%
Total 100.0 %
*
For Fund compliance purposes, the Fund may not use the same classification system. These classifications are used for financial reporting purposes.
**
Ten largest country/geographic regions are presented. Additional country/geographic regions are found in Other.
C000247958 [Member]  
Shareholder Report [Line Items]  
Fund Name Hartford Schroders International Contrarian Value Fund
Class Name Class F
Trading Symbol HFSFX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Hartford Schroders International Contrarian Value Fund (the "Fund") for the period of November 1, 2025 to April 30, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at hartfordfunds.com/reports-hmf. You can also request this information by contacting us by calling 1‑888‑843‑7824.
Additional Information Phone Number 1‑888‑843‑7824
Additional Information Website hartfordfunds.com/reports-hmf
Expenses [Text Block]
What were the Fund costs for the last six-months?
(Based on a hypothetical $10,000 investment)
Class Name Costs of a $10,000 investment Costs paid as a percentage
of a $10,000 investment^
Class F $37 0.70%
^
Annualized.
Expenses Paid, Amount $ 37
Expense Ratio, Percent 0.70% [45]
Net Assets $ 226,412,251
Holdings Count | Holding 54
Investment Company Portfolio Turnover 16.00%
Additional Fund Statistics [Text Block]
Key Fund Statistics
as of April 30, 2026
Fund's net assets $226,412,251
Total number of portfolio holdings 54
Portfolio turnover rate 16%
Holdings [Text Block]
Graphical Representation of Holdings
as of April 30, 2026
The table below shows the investment makeup of the Fund, representing the percentage of net assets of the Fund.
Composition by Country *
United Kingdom 22.6 %
Japan 13.5 %
Germany 12.1 %
France 11.9 %
Netherlands 6.1 %
United States 5.0 %
South Korea 4.2 %
Switzerland 3.6 %
Italy 2.0 %
Spain 2.0 %
Other** 15.0 %
Short-Term Investments 2.7 %
Other Assets & Liabilities (0.7 )%
Total 100.0 %
*
For Fund compliance purposes, the Fund may not use the same classification system. These classifications are used for financial reporting purposes.
**
Ten largest country/geographic regions are presented. Additional country/geographic regions are found in Other.
C000011238 [Member]  
Shareholder Report [Line Items]  
Fund Name The Hartford Growth Opportunities Fund
Class Name Class C
Trading Symbol HGOCX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about The Hartford Growth Opportunities Fund (the "Fund") for the period of November 1, 2025 to April 30, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at hartfordfunds.com/reports-hmf. You can also request this information by contacting us by calling 1‑888‑843‑7824.
Additional Information Phone Number 1‑888‑843‑7824
Additional Information Website hartfordfunds.com/reports-hmf
Expenses [Text Block]
What were the Fund costs for the last six-months?
(Based on a hypothetical $10,000 investment)
Class Name Costs of a $10,000 investment Costs paid as a percentage
of a $10,000 investment^
Class C $93 1.88%
^
Annualized.
Expenses Paid, Amount $ 93
Expense Ratio, Percent 1.88% [46]
Net Assets $ 6,616,038,494
Holdings Count | Holding 52
Investment Company Portfolio Turnover 31.00%
Additional Fund Statistics [Text Block]
Key Fund Statistics
as of April 30, 2026
Fund's net assets $6,616,038,494
Total number of portfolio holdings (excluding derivatives, if any) 52
Portfolio turnover rate 31%
Holdings [Text Block]
Graphical Representation of Holdings
as of April 30, 2026
The table below shows the investment makeup of the Fund, representing the percentage of net assets of the Fund.
Composition by Sector *
Information Technology 50.6 %
Communication Services 20.6 %
Consumer Discretionary 13.3 %
Health Care 7.2 %
Financials 3.3 %
Industrials 3.3 %
Energy 0.7 %
Consumer Staples 0.6 %
Short-Term Investments 0.1 %
Other Assets & Liabilities 0.3 %
Total 100.0 %
​*
For Fund compliance purposes, the Fund may not use the same classification system. These classifications are used for financial reporting purposes.
C000011236 [Member]  
Shareholder Report [Line Items]  
Fund Name The Hartford Growth Opportunities Fund
Class Name Class A
Trading Symbol HGOAX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about The Hartford Growth Opportunities Fund (the "Fund") for the period of November 1, 2025 to April 30, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at hartfordfunds.com/reports-hmf. You can also request this information by contacting us by calling 1‑888‑843‑7824.
Additional Information Phone Number 1‑888‑843‑7824
Additional Information Website hartfordfunds.com/reports-hmf
Expenses [Text Block]
What were the Fund costs for the last six-months?
(Based on a hypothetical $10,000 investment)
Class Name Costs of a $10,000 investment Costs paid as a percentage
of a $10,000 investment^
Class A $53 1.07%
^
Annualized.
Expenses Paid, Amount $ 53
Expense Ratio, Percent 1.07% [47]
Net Assets $ 6,616,038,494
Holdings Count | Holding 52
Investment Company Portfolio Turnover 31.00%
Additional Fund Statistics [Text Block]
Key Fund Statistics
as of April 30, 2026
Fund's net assets $6,616,038,494
Total number of portfolio holdings (excluding derivatives, if any) 52
Portfolio turnover rate 31%
Holdings [Text Block]
Graphical Representation of Holdings
as of April 30, 2026
The table below shows the investment makeup of the Fund, representing the percentage of net assets of the Fund.
Composition by Sector *
Information Technology 50.6 %
Communication Services 20.6 %
Consumer Discretionary 13.3 %
Health Care 7.2 %
Financials 3.3 %
Industrials 3.3 %
Energy 0.7 %
Consumer Staples 0.6 %
Short-Term Investments 0.1 %
Other Assets & Liabilities 0.3 %
Total 100.0 %
​*
For Fund compliance purposes, the Fund may not use the same classification system. These classifications are used for financial reporting purposes.
C000040918 [Member]  
Shareholder Report [Line Items]  
Fund Name The Hartford Growth Opportunities Fund
Class Name Class R3
Trading Symbol HGORX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about The Hartford Growth Opportunities Fund (the "Fund") for the period of November 1, 2025 to April 30, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at hartfordfunds.com/reports-hmf. You can also request this information by contacting us by calling 1‑888‑843‑7824.
Additional Information Phone Number 1‑888‑843‑7824
Additional Information Website hartfordfunds.com/reports-hmf
Expenses [Text Block]
What were the Fund costs for the last six-months?
(Based on a hypothetical $10,000 investment)
Class Name Costs of a $10,000 investment Costs paid as a percentage
of a $10,000 investment^
Class R3 $72 1.45%
^
Annualized.
Expenses Paid, Amount $ 72
Expense Ratio, Percent 1.45% [48]
Net Assets $ 6,616,038,494
Holdings Count | Holding 52
Investment Company Portfolio Turnover 31.00%
Additional Fund Statistics [Text Block]
Key Fund Statistics
as of April 30, 2026
Fund's net assets $6,616,038,494
Total number of portfolio holdings (excluding derivatives, if any) 52
Portfolio turnover rate 31%
Holdings [Text Block]
Graphical Representation of Holdings
as of April 30, 2026
The table below shows the investment makeup of the Fund, representing the percentage of net assets of the Fund.
Composition by Sector *
Information Technology 50.6 %
Communication Services 20.6 %
Consumer Discretionary 13.3 %
Health Care 7.2 %
Financials 3.3 %
Industrials 3.3 %
Energy 0.7 %
Consumer Staples 0.6 %
Short-Term Investments 0.1 %
Other Assets & Liabilities 0.3 %
Total 100.0 %
​*
For Fund compliance purposes, the Fund may not use the same classification system. These classifications are used for financial reporting purposes.
C000035166 [Member]  
Shareholder Report [Line Items]  
Fund Name The Hartford Growth Opportunities Fund
Class Name Class I
Trading Symbol HGOIX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about The Hartford Growth Opportunities Fund (the "Fund") for the period of November 1, 2025 to April 30, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at hartfordfunds.com/reports-hmf. You can also request this information by contacting us by calling 1‑888‑843‑7824.
Additional Information Phone Number 1‑888‑843‑7824
Additional Information Website hartfordfunds.com/reports-hmf
Expenses [Text Block]
What were the Fund costs for the last six-months?
(Based on a hypothetical $10,000 investment)
Class Name Costs of a $10,000 investment Costs paid as a percentage
of a $10,000 investment^
Class I $42 0.85%
^
Annualized.
Expenses Paid, Amount $ 42
Expense Ratio, Percent 0.85% [49]
Net Assets $ 6,616,038,494
Holdings Count | Holding 52
Investment Company Portfolio Turnover 31.00%
Additional Fund Statistics [Text Block]
Key Fund Statistics
as of April 30, 2026
Fund's net assets $6,616,038,494
Total number of portfolio holdings (excluding derivatives, if any) 52
Portfolio turnover rate 31%
Holdings [Text Block]
Graphical Representation of Holdings
as of April 30, 2026
The table below shows the investment makeup of the Fund, representing the percentage of net assets of the Fund.
Composition by Sector *
Information Technology 50.6 %
Communication Services 20.6 %
Consumer Discretionary 13.3 %
Health Care 7.2 %
Financials 3.3 %
Industrials 3.3 %
Energy 0.7 %
Consumer Staples 0.6 %
Short-Term Investments 0.1 %
Other Assets & Liabilities 0.3 %
Total 100.0 %
​*
For Fund compliance purposes, the Fund may not use the same classification system. These classifications are used for financial reporting purposes.
C000040919 [Member]  
Shareholder Report [Line Items]  
Fund Name The Hartford Growth Opportunities Fund
Class Name Class R4
Trading Symbol HGOSX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about The Hartford Growth Opportunities Fund (the "Fund") for the period of November 1, 2025 to April 30, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at hartfordfunds.com/reports-hmf. You can also request this information by contacting us by calling 1‑888‑843‑7824.
Additional Information Phone Number 1‑888‑843‑7824
Additional Information Website hartfordfunds.com/reports-hmf
Expenses [Text Block]
What were the Fund costs for the last six-months?
(Based on a hypothetical $10,000 investment)
Class Name Costs of a $10,000 investment Costs paid as a percentage
of a $10,000 investment^
Class R4 $57 1.15%
^
Annualized.
Expenses Paid, Amount $ 57
Expense Ratio, Percent 1.15% [50]
Net Assets $ 6,616,038,494
Holdings Count | Holding 52
Investment Company Portfolio Turnover 31.00%
Additional Fund Statistics [Text Block]
Key Fund Statistics
as of April 30, 2026
Fund's net assets $6,616,038,494
Total number of portfolio holdings (excluding derivatives, if any) 52
Portfolio turnover rate 31%
Holdings [Text Block]
Graphical Representation of Holdings
as of April 30, 2026
The table below shows the investment makeup of the Fund, representing the percentage of net assets of the Fund.
Composition by Sector *
Information Technology 50.6 %
Communication Services 20.6 %
Consumer Discretionary 13.3 %
Health Care 7.2 %
Financials 3.3 %
Industrials 3.3 %
Energy 0.7 %
Consumer Staples 0.6 %
Short-Term Investments 0.1 %
Other Assets & Liabilities 0.3 %
Total 100.0 %
​*
For Fund compliance purposes, the Fund may not use the same classification system. These classifications are used for financial reporting purposes.
C000040920 [Member]  
Shareholder Report [Line Items]  
Fund Name The Hartford Growth Opportunities Fund
Class Name Class R5
Trading Symbol HGOTX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about The Hartford Growth Opportunities Fund (the "Fund") for the period of November 1, 2025 to April 30, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at hartfordfunds.com/reports-hmf. You can also request this information by contacting us by calling 1‑888‑843‑7824.
Additional Information Phone Number 1‑888‑843‑7824
Additional Information Website hartfordfunds.com/reports-hmf
Expenses [Text Block]
What were the Fund costs for the last six-months?
(Based on a hypothetical $10,000 investment)
Class Name Costs of a $10,000 investment Costs paid as a percentage
of a $10,000 investment^
Class R5 $42 0.85%
^
Annualized.
Expenses Paid, Amount $ 42
Expense Ratio, Percent 0.85% [51]
Net Assets $ 6,616,038,494
Holdings Count | Holding 52
Investment Company Portfolio Turnover 31.00%
Additional Fund Statistics [Text Block]
Key Fund Statistics
as of April 30, 2026
Fund's net assets $6,616,038,494
Total number of portfolio holdings (excluding derivatives, if any) 52
Portfolio turnover rate 31%
Holdings [Text Block]
Graphical Representation of Holdings
as of April 30, 2026
The table below shows the investment makeup of the Fund, representing the percentage of net assets of the Fund.
Composition by Sector *
Information Technology 50.6 %
Communication Services 20.6 %
Consumer Discretionary 13.3 %
Health Care 7.2 %
Financials 3.3 %
Industrials 3.3 %
Energy 0.7 %
Consumer Staples 0.6 %
Short-Term Investments 0.1 %
Other Assets & Liabilities 0.3 %
Total 100.0 %
​*
For Fund compliance purposes, the Fund may not use the same classification system. These classifications are used for financial reporting purposes.
C000011243 [Member]  
Shareholder Report [Line Items]  
Fund Name The Hartford Growth Opportunities Fund
Class Name Class Y
Trading Symbol HGOYX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about The Hartford Growth Opportunities Fund (the "Fund") for the period of November 1, 2025 to April 30, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at hartfordfunds.com/reports-hmf. You can also request this information by contacting us by calling 1‑888‑843‑7824.
Additional Information Phone Number 1‑888‑843‑7824
Additional Information Website hartfordfunds.com/reports-hmf
Expenses [Text Block]
What were the Fund costs for the last six-months?
(Based on a hypothetical $10,000 investment)
Class Name Costs of a $10,000 investment Costs paid as a percentage
of a $10,000 investment^
Class Y $42 0.84%
^
Annualized.
Expenses Paid, Amount $ 42
Expense Ratio, Percent 0.84% [52]
Net Assets $ 6,616,038,494
Holdings Count | Holding 52
Investment Company Portfolio Turnover 31.00%
Additional Fund Statistics [Text Block]
Key Fund Statistics
as of April 30, 2026
Fund's net assets $6,616,038,494
Total number of portfolio holdings (excluding derivatives, if any) 52
Portfolio turnover rate 31%
Holdings [Text Block]
Graphical Representation of Holdings
as of April 30, 2026
The table below shows the investment makeup of the Fund, representing the percentage of net assets of the Fund.
Composition by Sector *
Information Technology 50.6 %
Communication Services 20.6 %
Consumer Discretionary 13.3 %
Health Care 7.2 %
Financials 3.3 %
Industrials 3.3 %
Energy 0.7 %
Consumer Staples 0.6 %
Short-Term Investments 0.1 %
Other Assets & Liabilities 0.3 %
Total 100.0 %
​*
For Fund compliance purposes, the Fund may not use the same classification system. These classifications are used for financial reporting purposes.
C000148302 [Member]  
Shareholder Report [Line Items]  
Fund Name The Hartford Growth Opportunities Fund
Class Name Class R6
Trading Symbol HGOVX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about The Hartford Growth Opportunities Fund (the "Fund") for the period of November 1, 2025 to April 30, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at hartfordfunds.com/reports-hmf. You can also request this information by contacting us by calling 1‑888‑843‑7824.
Additional Information Phone Number 1‑888‑843‑7824
Additional Information Website hartfordfunds.com/reports-hmf
Expenses [Text Block]
What were the Fund costs for the last six-months?
(Based on a hypothetical $10,000 investment)
Class Name Costs of a $10,000 investment Costs paid as a percentage
of a $10,000 investment^
Class R6 $37 0.74%
^
Annualized.
Expenses Paid, Amount $ 37
Expense Ratio, Percent 0.74% [53]
Net Assets $ 6,616,038,494
Holdings Count | Holding 52
Investment Company Portfolio Turnover 31.00%
Additional Fund Statistics [Text Block]
Key Fund Statistics
as of April 30, 2026
Fund's net assets $6,616,038,494
Total number of portfolio holdings (excluding derivatives, if any) 52
Portfolio turnover rate 31%
Holdings [Text Block]
Graphical Representation of Holdings
as of April 30, 2026
The table below shows the investment makeup of the Fund, representing the percentage of net assets of the Fund.
Composition by Sector *
Information Technology 50.6 %
Communication Services 20.6 %
Consumer Discretionary 13.3 %
Health Care 7.2 %
Financials 3.3 %
Industrials 3.3 %
Energy 0.7 %
Consumer Staples 0.6 %
Short-Term Investments 0.1 %
Other Assets & Liabilities 0.3 %
Total 100.0 %
​*
For Fund compliance purposes, the Fund may not use the same classification system. These classifications are used for financial reporting purposes.
C000185805 [Member]  
Shareholder Report [Line Items]  
Fund Name The Hartford Growth Opportunities Fund
Class Name Class F
Trading Symbol HGOFX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about The Hartford Growth Opportunities Fund (the "Fund") for the period of November 1, 2025 to April 30, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at hartfordfunds.com/reports-hmf. You can also request this information by contacting us by calling 1‑888‑843‑7824.
Additional Information Phone Number 1‑888‑843‑7824
Additional Information Website hartfordfunds.com/reports-hmf
Expenses [Text Block]
What were the Fund costs for the last six-months?
(Based on a hypothetical $10,000 investment)
Class Name Costs of a $10,000 investment Costs paid as a percentage
of a $10,000 investment^
Class F $37 0.74%
^
Annualized.
Expenses Paid, Amount $ 37
Expense Ratio, Percent 0.74% [54]
Net Assets $ 6,616,038,494
Holdings Count | Holding 52
Investment Company Portfolio Turnover 31.00%
Additional Fund Statistics [Text Block]
Key Fund Statistics
as of April 30, 2026
Fund's net assets $6,616,038,494
Total number of portfolio holdings (excluding derivatives, if any) 52
Portfolio turnover rate 31%
Holdings [Text Block]
Graphical Representation of Holdings
as of April 30, 2026
The table below shows the investment makeup of the Fund, representing the percentage of net assets of the Fund.
Composition by Sector *
Information Technology 50.6 %
Communication Services 20.6 %
Consumer Discretionary 13.3 %
Health Care 7.2 %
Financials 3.3 %
Industrials 3.3 %
Energy 0.7 %
Consumer Staples 0.6 %
Short-Term Investments 0.1 %
Other Assets & Liabilities 0.3 %
Total 100.0 %
​*
For Fund compliance purposes, the Fund may not use the same classification system. These classifications are used for financial reporting purposes.
C000172570 [Member]  
Shareholder Report [Line Items]  
Fund Name Hartford Schroders Emerging Markets Equity Fund
Class Name Class A
Trading Symbol SEMVX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Hartford Schroders Emerging Markets Equity Fund (the "Fund") for the period of November 1, 2025 to April 30, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at hartfordfunds.com/reports-hmf. You can also request this information by contacting us by calling 1‑888‑843‑7824.
Additional Information Phone Number 1‑888‑843‑7824
Additional Information Website hartfordfunds.com/reports-hmf
Expenses [Text Block]
What were the Fund costs for the last six-months?
(Based on a hypothetical $10,000 investment)
Class Name Costs of a $10,000 investment Costs paid as a percentage
of a $10,000 investment^
Class A $77 1.40%
^
Annualized.
Expenses Paid, Amount $ 77
Expense Ratio, Percent 1.40% [55]
Net Assets $ 7,589,070,709
Holdings Count | Holding 104
Investment Company Portfolio Turnover 23.00%
Additional Fund Statistics [Text Block]
Key Fund Statistics
as of April 30, 2026
Fund's net assets $7,589,070,709
Total number of portfolio holdings (excluding derivatives, if any) 104
Portfolio turnover rate 23%
Holdings [Text Block]
Graphical Representation of Holdings
as of April 30, 2026
The table below shows the investment makeup of the Fund, representing the percentage of net assets of the Fund.
Composition by Country *
Taiwan 27.7 %
China 21.6 %
South Korea 19.9 %
India 7.9 %
Brazil 6.1 %
South Africa 4.2 %
Hong Kong 2.3 %
Mexico 1.9 %
United Arab Emirates 1.6 %
Poland 1.3 %
Other** 4.6 %
Short-Term Investments 0.1 %
Other Assets & Liabilities 0.8 %
Total 100.0 %
*
For Fund compliance purposes, the Fund may not use the same classification system. These classifications are used for financial reporting purposes.
**
Ten largest country/geographic regions are presented. Additional country/geographic regions are found in Other.
C000172571 [Member]  
Shareholder Report [Line Items]  
Fund Name Hartford Schroders Emerging Markets Equity Fund
Class Name Class C
Trading Symbol HHHCX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Hartford Schroders Emerging Markets Equity Fund (the "Fund") for the period of November 1, 2025 to April 30, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at hartfordfunds.com/reports-hmf. You can also request this information by contacting us by calling 1‑888‑843‑7824.
Additional Information Phone Number 1‑888‑843‑7824
Additional Information Website hartfordfunds.com/reports-hmf
Expenses [Text Block]
What were the Fund costs for the last six-months?
(Based on a hypothetical $10,000 investment)
Class Name Costs of a $10,000 investment Costs paid as a percentage
of a $10,000 investment^
Class C $112 2.06%
^
Annualized.
Expenses Paid, Amount $ 112
Expense Ratio, Percent 2.06% [56]
Net Assets $ 7,589,070,709
Holdings Count | Holding 104
Investment Company Portfolio Turnover 23.00%
Additional Fund Statistics [Text Block]
Key Fund Statistics
as of April 30, 2026
Fund's net assets $7,589,070,709
Total number of portfolio holdings (excluding derivatives, if any) 104
Portfolio turnover rate 23%
Holdings [Text Block]
Graphical Representation of Holdings
as of April 30, 2026
The table below shows the investment makeup of the Fund, representing the percentage of net assets of the Fund.
Composition by Country *
Taiwan 27.7 %
China 21.6 %
South Korea 19.9 %
India 7.9 %
Brazil 6.1 %
South Africa 4.2 %
Hong Kong 2.3 %
Mexico 1.9 %
United Arab Emirates 1.6 %
Poland 1.3 %
Other** 4.6 %
Short-Term Investments 0.1 %
Other Assets & Liabilities 0.8 %
Total 100.0 %
*
For Fund compliance purposes, the Fund may not use the same classification system. These classifications are used for financial reporting purposes.
**
Ten largest country/geographic regions are presented. Additional country/geographic regions are found in Other.
C000172572 [Member]  
Shareholder Report [Line Items]  
Fund Name Hartford Schroders Emerging Markets Equity Fund
Class Name Class I
Trading Symbol SEMNX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Hartford Schroders Emerging Markets Equity Fund (the "Fund") for the period of November 1, 2025 to April 30, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at hartfordfunds.com/reports-hmf. You can also request this information by contacting us by calling 1‑888‑843‑7824.
Additional Information Phone Number 1‑888‑843‑7824
Additional Information Website hartfordfunds.com/reports-hmf
Expenses [Text Block]
What were the Fund costs for the last six-months?
(Based on a hypothetical $10,000 investment)
Class Name Costs of a $10,000 investment Costs paid as a percentage
of a $10,000 investment^
Class I $57 1.04%
^
Annualized.
Expenses Paid, Amount $ 57
Expense Ratio, Percent 1.04% [57]
Net Assets $ 7,589,070,709
Holdings Count | Holding 104
Investment Company Portfolio Turnover 23.00%
Additional Fund Statistics [Text Block]
Key Fund Statistics
as of April 30, 2026
Fund's net assets $7,589,070,709
Total number of portfolio holdings (excluding derivatives, if any) 104
Portfolio turnover rate 23%
Holdings [Text Block]
Graphical Representation of Holdings
as of April 30, 2026
The table below shows the investment makeup of the Fund, representing the percentage of net assets of the Fund.
Composition by Country *
Taiwan 27.7 %
China 21.6 %
South Korea 19.9 %
India 7.9 %
Brazil 6.1 %
South Africa 4.2 %
Hong Kong 2.3 %
Mexico 1.9 %
United Arab Emirates 1.6 %
Poland 1.3 %
Other** 4.6 %
Short-Term Investments 0.1 %
Other Assets & Liabilities 0.8 %
Total 100.0 %
*
For Fund compliance purposes, the Fund may not use the same classification system. These classifications are used for financial reporting purposes.
**
Ten largest country/geographic regions are presented. Additional country/geographic regions are found in Other.
C000172573 [Member]  
Shareholder Report [Line Items]  
Fund Name Hartford Schroders Emerging Markets Equity Fund
Class Name Class R3
Trading Symbol HHHRX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Hartford Schroders Emerging Markets Equity Fund (the "Fund") for the period of November 1, 2025 to April 30, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at hartfordfunds.com/reports-hmf. You can also request this information by contacting us by calling 1‑888‑843‑7824.
Additional Information Phone Number 1‑888‑843‑7824
Additional Information Website hartfordfunds.com/reports-hmf
Expenses [Text Block]
What were the Fund costs for the last six-months?
(Based on a hypothetical $10,000 investment)
Class Name Costs of a $10,000 investment Costs paid as a percentage
of a $10,000 investment^
Class R3 $87 1.59%
^
Annualized.
Expenses Paid, Amount $ 87
Expense Ratio, Percent 1.59% [58]
Net Assets $ 7,589,070,709
Holdings Count | Holding 104
Investment Company Portfolio Turnover 23.00%
Additional Fund Statistics [Text Block]
Key Fund Statistics
as of April 30, 2026
Fund's net assets $7,589,070,709
Total number of portfolio holdings (excluding derivatives, if any) 104
Portfolio turnover rate 23%
Holdings [Text Block]
Graphical Representation of Holdings
as of April 30, 2026
The table below shows the investment makeup of the Fund, representing the percentage of net assets of the Fund.
Composition by Country *
Taiwan 27.7 %
China 21.6 %
South Korea 19.9 %
India 7.9 %
Brazil 6.1 %
South Africa 4.2 %
Hong Kong 2.3 %
Mexico 1.9 %
United Arab Emirates 1.6 %
Poland 1.3 %
Other** 4.6 %
Short-Term Investments 0.1 %
Other Assets & Liabilities 0.8 %
Total 100.0 %
*
For Fund compliance purposes, the Fund may not use the same classification system. These classifications are used for financial reporting purposes.
**
Ten largest country/geographic regions are presented. Additional country/geographic regions are found in Other.
C000172574 [Member]  
Shareholder Report [Line Items]  
Fund Name Hartford Schroders Emerging Markets Equity Fund
Class Name Class R4
Trading Symbol HHHSX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Hartford Schroders Emerging Markets Equity Fund (the "Fund") for the period of November 1, 2025 to April 30, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at hartfordfunds.com/reports-hmf. You can also request this information by contacting us by calling 1‑888‑843‑7824.
Additional Information Phone Number 1‑888‑843‑7824
Additional Information Website hartfordfunds.com/reports-hmf
Expenses [Text Block]
What were the Fund costs for the last six-months?
(Based on a hypothetical $10,000 investment)
Class Name Costs of a $10,000 investment Costs paid as a percentage
of a $10,000 investment^
Class R4 $73 1.34%
^
Annualized.
Expenses Paid, Amount $ 73
Expense Ratio, Percent 1.34% [59]
Net Assets $ 7,589,070,709
Holdings Count | Holding 104
Investment Company Portfolio Turnover 23.00%
Additional Fund Statistics [Text Block]
Key Fund Statistics
as of April 30, 2026
Fund's net assets $7,589,070,709
Total number of portfolio holdings (excluding derivatives, if any) 104
Portfolio turnover rate 23%
Holdings [Text Block]
Graphical Representation of Holdings
as of April 30, 2026
The table below shows the investment makeup of the Fund, representing the percentage of net assets of the Fund.
Composition by Country *
Taiwan 27.7 %
China 21.6 %
South Korea 19.9 %
India 7.9 %
Brazil 6.1 %
South Africa 4.2 %
Hong Kong 2.3 %
Mexico 1.9 %
United Arab Emirates 1.6 %
Poland 1.3 %
Other** 4.6 %
Short-Term Investments 0.1 %
Other Assets & Liabilities 0.8 %
Total 100.0 %
*
For Fund compliance purposes, the Fund may not use the same classification system. These classifications are used for financial reporting purposes.
**
Ten largest country/geographic regions are presented. Additional country/geographic regions are found in Other.
C000172575 [Member]  
Shareholder Report [Line Items]  
Fund Name Hartford Schroders Emerging Markets Equity Fund
Class Name Class R5
Trading Symbol HHHTX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Hartford Schroders Emerging Markets Equity Fund (the "Fund") for the period of November 1, 2025 to April 30, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at hartfordfunds.com/reports-hmf. You can also request this information by contacting us by calling 1‑888‑843‑7824.
Additional Information Phone Number 1‑888‑843‑7824
Additional Information Website hartfordfunds.com/reports-hmf
Expenses [Text Block]
What were the Fund costs for the last six-months?
(Based on a hypothetical $10,000 investment)
Class Name Costs of a $10,000 investment Costs paid as a percentage
of a $10,000 investment^
Class R5 $59 1.07%
^
Annualized.
Expenses Paid, Amount $ 59
Expense Ratio, Percent 1.07% [60]
Net Assets $ 7,589,070,709
Holdings Count | Holding 104
Investment Company Portfolio Turnover 23.00%
Additional Fund Statistics [Text Block]
Key Fund Statistics
as of April 30, 2026
Fund's net assets $7,589,070,709
Total number of portfolio holdings (excluding derivatives, if any) 104
Portfolio turnover rate 23%
Holdings [Text Block]
Graphical Representation of Holdings
as of April 30, 2026
The table below shows the investment makeup of the Fund, representing the percentage of net assets of the Fund.
Composition by Country *
Taiwan 27.7 %
China 21.6 %
South Korea 19.9 %
India 7.9 %
Brazil 6.1 %
South Africa 4.2 %
Hong Kong 2.3 %
Mexico 1.9 %
United Arab Emirates 1.6 %
Poland 1.3 %
Other** 4.6 %
Short-Term Investments 0.1 %
Other Assets & Liabilities 0.8 %
Total 100.0 %
*
For Fund compliance purposes, the Fund may not use the same classification system. These classifications are used for financial reporting purposes.
**
Ten largest country/geographic regions are presented. Additional country/geographic regions are found in Other.
C000172576 [Member]  
Shareholder Report [Line Items]  
Fund Name Hartford Schroders Emerging Markets Equity Fund
Class Name Class Y
Trading Symbol HHHYX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Hartford Schroders Emerging Markets Equity Fund (the "Fund") for the period of November 1, 2025 to April 30, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at hartfordfunds.com/reports-hmf. You can also request this information by contacting us by calling 1‑888‑843‑7824.
Additional Information Phone Number 1‑888‑843‑7824
Additional Information Website hartfordfunds.com/reports-hmf
Expenses [Text Block]
What were the Fund costs for the last six-months?
(Based on a hypothetical $10,000 investment)
Class Name Costs of a $10,000 investment Costs paid as a percentage
of a $10,000 investment^
Class Y $58 1.06%
^
Annualized.
Expenses Paid, Amount $ 58
Expense Ratio, Percent 1.06% [61]
Net Assets $ 7,589,070,709
Holdings Count | Holding 104
Investment Company Portfolio Turnover 23.00%
Additional Fund Statistics [Text Block]
Key Fund Statistics
as of April 30, 2026
Fund's net assets $7,589,070,709
Total number of portfolio holdings (excluding derivatives, if any) 104
Portfolio turnover rate 23%
Holdings [Text Block]
Graphical Representation of Holdings
as of April 30, 2026
The table below shows the investment makeup of the Fund, representing the percentage of net assets of the Fund.
Composition by Country *
Taiwan 27.7 %
China 21.6 %
South Korea 19.9 %
India 7.9 %
Brazil 6.1 %
South Africa 4.2 %
Hong Kong 2.3 %
Mexico 1.9 %
United Arab Emirates 1.6 %
Poland 1.3 %
Other** 4.6 %
Short-Term Investments 0.1 %
Other Assets & Liabilities 0.8 %
Total 100.0 %
*
For Fund compliance purposes, the Fund may not use the same classification system. These classifications are used for financial reporting purposes.
**
Ten largest country/geographic regions are presented. Additional country/geographic regions are found in Other.
C000185819 [Member]  
Shareholder Report [Line Items]  
Fund Name Hartford Schroders Emerging Markets Equity Fund
Class Name Class F
Trading Symbol HHHFX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Hartford Schroders Emerging Markets Equity Fund (the "Fund") for the period of November 1, 2025 to April 30, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at hartfordfunds.com/reports-hmf. You can also request this information by contacting us by calling 1‑888‑843‑7824.
Additional Information Phone Number 1‑888‑843‑7824
Additional Information Website hartfordfunds.com/reports-hmf
Expenses [Text Block]
What were the Fund costs for the last six-months?
(Based on a hypothetical $10,000 investment)
Class Name Costs of a $10,000 investment Costs paid as a percentage
of a $10,000 investment^
Class F $52 0.95%
^
Annualized.
Expenses Paid, Amount $ 52
Expense Ratio, Percent 0.95% [62]
Net Assets $ 7,589,070,709
Holdings Count | Holding 104
Investment Company Portfolio Turnover 23.00%
Additional Fund Statistics [Text Block]
Key Fund Statistics
as of April 30, 2026
Fund's net assets $7,589,070,709
Total number of portfolio holdings (excluding derivatives, if any) 104
Portfolio turnover rate 23%
Holdings [Text Block]
Graphical Representation of Holdings
as of April 30, 2026
The table below shows the investment makeup of the Fund, representing the percentage of net assets of the Fund.
Composition by Country *
Taiwan 27.7 %
China 21.6 %
South Korea 19.9 %
India 7.9 %
Brazil 6.1 %
South Africa 4.2 %
Hong Kong 2.3 %
Mexico 1.9 %
United Arab Emirates 1.6 %
Poland 1.3 %
Other** 4.6 %
Short-Term Investments 0.1 %
Other Assets & Liabilities 0.8 %
Total 100.0 %
*
For Fund compliance purposes, the Fund may not use the same classification system. These classifications are used for financial reporting purposes.
**
Ten largest country/geographic regions are presented. Additional country/geographic regions are found in Other.
C000172566 [Member]  
Shareholder Report [Line Items]  
Fund Name Hartford Schroders Tax-Aware Bond Fund
Class Name Class A
Trading Symbol STWVX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Hartford Schroders Tax-Aware Bond Fund (the "Fund") for the period of November 1, 2025 to April 30, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at hartfordfunds.com/reports-hmf. You can also request this information by contacting us by calling 1‑888‑843‑7824.
Additional Information Phone Number 1‑888‑843‑7824
Additional Information Website hartfordfunds.com/reports-hmf
Expenses [Text Block]
What were the Fund costs for the last six-months?
(Based on a hypothetical $10,000 investment)
Class Name Costs of a $10,000 investment Costs paid as a percentage
of a $10,000 investment^
Class A $35 0.71%
^
Annualized.
Expenses Paid, Amount $ 35
Expense Ratio, Percent 0.71% [63]
Net Assets $ 692,175,593
Holdings Count | Holding 170
Investment Company Portfolio Turnover 25.00%
Additional Fund Statistics [Text Block]
Key Fund Statistics
as of April 30, 2026
Fund's net assets $692,175,593
Total number of portfolio holdings 170
Portfolio turnover rate 25%
Holdings [Text Block]
Graphical Representation of Holdings
as of April 30, 2026
The table below shows the investment makeup of the Fund, representing the percentage of net assets of the Fund.
Composition by Security Type
Municipal Bonds 81.7 %
U.S. Government Securities 9.9 %
U.S. Government Agencies^ 5.4 %
Corporate Bonds 0.4 %
Short-Term Investments 2.0 %
Other Assets & Liabilities 0.6 %
Total 100.0 %
​^
All, or a portion of the securities categorized as U.S. Government Agencies, were agency mortgage-backed securities.
C000172567 [Member]  
Shareholder Report [Line Items]  
Fund Name Hartford Schroders Tax-Aware Bond Fund
Class Name Class C
Trading Symbol HFKCX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Hartford Schroders Tax-Aware Bond Fund (the "Fund") for the period of November 1, 2025 to April 30, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at hartfordfunds.com/reports-hmf. You can also request this information by contacting us by calling 1‑888‑843‑7824.
Additional Information Phone Number 1‑888‑843‑7824
Additional Information Website hartfordfunds.com/reports-hmf
Expenses [Text Block]
What were the Fund costs for the last six-months?
(Based on a hypothetical $10,000 investment)
Class Name Costs of a $10,000 investment Costs paid as a percentage
of a $10,000 investment^
Class C $79 1.59%
^
Annualized.
Expenses Paid, Amount $ 79
Expense Ratio, Percent 1.59% [64]
Net Assets $ 692,175,593
Holdings Count | Holding 170
Investment Company Portfolio Turnover 25.00%
Additional Fund Statistics [Text Block]
Key Fund Statistics
as of April 30, 2026
Fund's net assets $692,175,593
Total number of portfolio holdings 170
Portfolio turnover rate 25%
Holdings [Text Block]
Graphical Representation of Holdings
as of April 30, 2026
The table below shows the investment makeup of the Fund, representing the percentage of net assets of the Fund.
Composition by Security Type
Municipal Bonds 81.7 %
U.S. Government Securities 9.9 %
U.S. Government Agencies^ 5.4 %
Corporate Bonds 0.4 %
Short-Term Investments 2.0 %
Other Assets & Liabilities 0.6 %
Total 100.0 %
​^
All, or a portion of the securities categorized as U.S. Government Agencies, were agency mortgage-backed securities.
C000172568 [Member]  
Shareholder Report [Line Items]  
Fund Name Hartford Schroders Tax-Aware Bond Fund
Class Name Class I
Trading Symbol STWTX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Hartford Schroders Tax-Aware Bond Fund (the "Fund") for the period of November 1, 2025 to April 30, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at hartfordfunds.com/reports-hmf. You can also request this information by contacting us by calling 1‑888‑843‑7824.
Additional Information Phone Number 1‑888‑843‑7824
Additional Information Website hartfordfunds.com/reports-hmf
Expenses [Text Block]
What were the Fund costs for the last six-months?
(Based on a hypothetical $10,000 investment)
Class Name Costs of a $10,000 investment Costs paid as a percentage
of a $10,000 investment^
Class I $24 0.49%
^
Annualized.
Expenses Paid, Amount $ 24
Expense Ratio, Percent 0.49% [65]
Net Assets $ 692,175,593
Holdings Count | Holding 170
Investment Company Portfolio Turnover 25.00%
Additional Fund Statistics [Text Block]
Key Fund Statistics
as of April 30, 2026
Fund's net assets $692,175,593
Total number of portfolio holdings 170
Portfolio turnover rate 25%
Holdings [Text Block]
Graphical Representation of Holdings
as of April 30, 2026
The table below shows the investment makeup of the Fund, representing the percentage of net assets of the Fund.
Composition by Security Type
Municipal Bonds 81.7 %
U.S. Government Securities 9.9 %
U.S. Government Agencies^ 5.4 %
Corporate Bonds 0.4 %
Short-Term Investments 2.0 %
Other Assets & Liabilities 0.6 %
Total 100.0 %
​^
All, or a portion of the securities categorized as U.S. Government Agencies, were agency mortgage-backed securities.
C000172569 [Member]  
Shareholder Report [Line Items]  
Fund Name Hartford Schroders Tax-Aware Bond Fund
Class Name Class Y
Trading Symbol HFKYX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Hartford Schroders Tax-Aware Bond Fund (the "Fund") for the period of November 1, 2025 to April 30, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at hartfordfunds.com/reports-hmf. You can also request this information by contacting us by calling 1‑888‑843‑7824.
Additional Information Phone Number 1‑888‑843‑7824
Additional Information Website hartfordfunds.com/reports-hmf
Expenses [Text Block]
What were the Fund costs for the last six-months?
(Based on a hypothetical $10,000 investment)
Class Name Costs of a $10,000 investment Costs paid as a percentage
of a $10,000 investment^
Class Y $28 0.56%
^
Annualized.
Expenses Paid, Amount $ 28
Expense Ratio, Percent 0.56% [66]
Net Assets $ 692,175,593
Holdings Count | Holding 170
Investment Company Portfolio Turnover 25.00%
Additional Fund Statistics [Text Block]
Key Fund Statistics
as of April 30, 2026
Fund's net assets $692,175,593
Total number of portfolio holdings 170
Portfolio turnover rate 25%
Holdings [Text Block]
Graphical Representation of Holdings
as of April 30, 2026
The table below shows the investment makeup of the Fund, representing the percentage of net assets of the Fund.
Composition by Security Type
Municipal Bonds 81.7 %
U.S. Government Securities 9.9 %
U.S. Government Agencies^ 5.4 %
Corporate Bonds 0.4 %
Short-Term Investments 2.0 %
Other Assets & Liabilities 0.6 %
Total 100.0 %
​^
All, or a portion of the securities categorized as U.S. Government Agencies, were agency mortgage-backed securities.
C000185817 [Member]  
Shareholder Report [Line Items]  
Fund Name Hartford Schroders Tax-Aware Bond Fund
Class Name Class F
Trading Symbol HFKFX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Hartford Schroders Tax-Aware Bond Fund (the "Fund") for the period of November 1, 2025 to April 30, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at hartfordfunds.com/reports-hmf. You can also request this information by contacting us by calling 1‑888‑843‑7824.
Additional Information Phone Number 1‑888‑843‑7824
Additional Information Website hartfordfunds.com/reports-hmf
Expenses [Text Block]
What were the Fund costs for the last six-months?
(Based on a hypothetical $10,000 investment)
Class Name Costs of a $10,000 investment Costs paid as a percentage
of a $10,000 investment^
Class F $23 0.46%
^
Annualized.
Expenses Paid, Amount $ 23
Expense Ratio, Percent 0.46% [67]
Net Assets $ 692,175,593
Holdings Count | Holding 170
Investment Company Portfolio Turnover 25.00%
Additional Fund Statistics [Text Block]
Key Fund Statistics
as of April 30, 2026
Fund's net assets $692,175,593
Total number of portfolio holdings 170
Portfolio turnover rate 25%
Holdings [Text Block]
Graphical Representation of Holdings
as of April 30, 2026
The table below shows the investment makeup of the Fund, representing the percentage of net assets of the Fund.
Composition by Security Type
Municipal Bonds 81.7 %
U.S. Government Securities 9.9 %
U.S. Government Agencies^ 5.4 %
Corporate Bonds 0.4 %
Short-Term Investments 2.0 %
Other Assets & Liabilities 0.6 %
Total 100.0 %
​^
All, or a portion of the securities categorized as U.S. Government Agencies, were agency mortgage-backed securities.
C000172565 [Member]  
Shareholder Report [Line Items]  
Fund Name Hartford Schroders Tax-Aware Bond Fund
Class Name Class SDR
Trading Symbol HFKVX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Hartford Schroders Tax-Aware Bond Fund (the "Fund") for the period of November 1, 2025 to April 30, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at hartfordfunds.com/reports-hmf. You can also request this information by contacting us by calling 1‑888‑843‑7824.
Additional Information Phone Number 1‑888‑843‑7824
Additional Information Website hartfordfunds.com/reports-hmf
Expenses [Text Block]
What were the Fund costs for the last six-months?
(Based on a hypothetical $10,000 investment)
Class Name Costs of a $10,000 investment Costs paid as a percentage
of a $10,000 investment^
Class SDR $23 0.46%
^
Annualized.
Expenses Paid, Amount $ 23
Expense Ratio, Percent 0.46% [68]
Net Assets $ 692,175,593
Holdings Count | Holding 170
Investment Company Portfolio Turnover 25.00%
Additional Fund Statistics [Text Block]
Key Fund Statistics
as of April 30, 2026
Fund's net assets $692,175,593
Total number of portfolio holdings 170
Portfolio turnover rate 25%
Holdings [Text Block]
Graphical Representation of Holdings
as of April 30, 2026
The table below shows the investment makeup of the Fund, representing the percentage of net assets of the Fund.
Composition by Security Type
Municipal Bonds 81.7 %
U.S. Government Securities 9.9 %
U.S. Government Agencies^ 5.4 %
Corporate Bonds 0.4 %
Short-Term Investments 2.0 %
Other Assets & Liabilities 0.6 %
Total 100.0 %
​^
All, or a portion of the securities categorized as U.S. Government Agencies, were agency mortgage-backed securities.
C000172577 [Member]  
Shareholder Report [Line Items]  
Fund Name Hartford Schroders Emerging Markets Equity Fund
Class Name Class SDR
Trading Symbol SEMTX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Hartford Schroders Emerging Markets Equity Fund (the "Fund") for the period of November 1, 2025 to April 30, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at hartfordfunds.com/reports-hmf. You can also request this information by contacting us by calling 1‑888‑843‑7824.
Additional Information Phone Number 1‑888‑843‑7824
Additional Information Website hartfordfunds.com/reports-hmf
Expenses [Text Block]
What were the Fund costs for the last six-months?
(Based on a hypothetical $10,000 investment)
Class Name Costs of a $10,000 investment Costs paid as a percentage
of a $10,000 investment^
Class SDR $52 0.95%
^
Annualized.
Expenses Paid, Amount $ 52
Expense Ratio, Percent 0.95% [69]
Net Assets $ 7,589,070,709
Holdings Count | Holding 104
Investment Company Portfolio Turnover 23.00%
Additional Fund Statistics [Text Block]
Key Fund Statistics
as of April 30, 2026
Fund's net assets $7,589,070,709
Total number of portfolio holdings (excluding derivatives, if any) 104
Portfolio turnover rate 23%
Holdings [Text Block]
Graphical Representation of Holdings
as of April 30, 2026
The table below shows the investment makeup of the Fund, representing the percentage of net assets of the Fund.
Composition by Country *
Taiwan 27.7 %
China 21.6 %
South Korea 19.9 %
India 7.9 %
Brazil 6.1 %
South Africa 4.2 %
Hong Kong 2.3 %
Mexico 1.9 %
United Arab Emirates 1.6 %
Poland 1.3 %
Other** 4.6 %
Short-Term Investments 0.1 %
Other Assets & Liabilities 0.8 %
Total 100.0 %
*
For Fund compliance purposes, the Fund may not use the same classification system. These classifications are used for financial reporting purposes.
**
Ten largest country/geographic regions are presented. Additional country/geographic regions are found in Other.
C000172578 [Member]  
Shareholder Report [Line Items]  
Fund Name Hartford Schroders Emerging Markets Multi-Sector Bond Fund
Class Name Class A
Trading Symbol SMSVX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Hartford Schroders Emerging Markets Multi-Sector Bond Fund (the "Fund") for the period of November 1, 2025 to April 30, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at hartfordfunds.com/reports-hmf. You can also request this information by contacting us by calling 1‑888‑843‑7824.
Additional Information Phone Number 1‑888‑843‑7824
Additional Information Website hartfordfunds.com/reports-hmf
Expenses [Text Block]
What were the Fund costs for the last six-months?
(Based on a hypothetical $10,000 investment)
Class Name Costs of a $10,000 investment Costs paid as a percentage
of a $10,000 investment^
Class A $45 0.90%
^
Annualized.
Expenses Paid, Amount $ 45
Expense Ratio, Percent 0.90% [70]
Net Assets $ 32,183,986
Holdings Count | Holding 304
Investment Company Portfolio Turnover 102.00%
Additional Fund Statistics [Text Block]
Key Fund Statistics
as of April 30, 2026
Fund's net assets $32,183,986
Total number of portfolio holdings 304
Portfolio turnover rate 102%
Holdings [Text Block]
Graphical Representation of Holdings
as of April 30, 2026
The table below shows the investment makeup of the Fund, representing the percentage of net assets of the Fund.
Composition by Country *
Mexico 13.8 %
Brazil 11.7 %
South Africa 5.1 %
Colombia 4.9 %
Hungary 3.7 %
Saudi Arabia 3.6 %
Ecuador 3.4 %
Angola 3.2 %
Malaysia 3.1 %
Hong Kong 3.0 %
Other** 33.7 %
Short-Term Investments 3.5 %
Other Assets & Liabilities 7.3 %
Total 100.0 %
*
For Fund compliance purposes, the Fund may not use the same classification system. These classifications are used for financial reporting purposes.
**
Ten largest country/geographic regions are presented. Additional country/geographic regions are found in Other.
C000172579 [Member]  
Shareholder Report [Line Items]  
Fund Name Hartford Schroders Emerging Markets Multi-Sector Bond Fund
Class Name Class C
Trading Symbol HFZCX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Hartford Schroders Emerging Markets Multi-Sector Bond Fund (the "Fund") for the period of November 1, 2025 to April 30, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at hartfordfunds.com/reports-hmf. You can also request this information by contacting us by calling 1‑888‑843‑7824.
Additional Information Phone Number 1‑888‑843‑7824
Additional Information Website hartfordfunds.com/reports-hmf
Expenses [Text Block]
What were the Fund costs for the last six-months?
(Based on a hypothetical $10,000 investment)
Class Name Costs of a $10,000 investment Costs paid as a percentage
of a $10,000 investment^
Class C $85 1.70%
^
Annualized.
Expenses Paid, Amount $ 85
Expense Ratio, Percent 1.70% [71]
Net Assets $ 32,183,986
Holdings Count | Holding 304
Investment Company Portfolio Turnover 102.00%
Additional Fund Statistics [Text Block]
Key Fund Statistics
as of April 30, 2026
Fund's net assets $32,183,986
Total number of portfolio holdings 304
Portfolio turnover rate 102%
Holdings [Text Block]
Graphical Representation of Holdings
as of April 30, 2026
The table below shows the investment makeup of the Fund, representing the percentage of net assets of the Fund.
Composition by Country *
Mexico 13.8 %
Brazil 11.7 %
South Africa 5.1 %
Colombia 4.9 %
Hungary 3.7 %
Saudi Arabia 3.6 %
Ecuador 3.4 %
Angola 3.2 %
Malaysia 3.1 %
Hong Kong 3.0 %
Other** 33.7 %
Short-Term Investments 3.5 %
Other Assets & Liabilities 7.3 %
Total 100.0 %
*
For Fund compliance purposes, the Fund may not use the same classification system. These classifications are used for financial reporting purposes.
**
Ten largest country/geographic regions are presented. Additional country/geographic regions are found in Other.
C000172580 [Member]  
Shareholder Report [Line Items]  
Fund Name Hartford Schroders Emerging Markets Multi-Sector Bond Fund
Class Name Class I
Trading Symbol SMSNX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Hartford Schroders Emerging Markets Multi-Sector Bond Fund (the "Fund") for the period of November 1, 2025 to April 30, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at hartfordfunds.com/reports-hmf. You can also request this information by contacting us by calling 1‑888‑843‑7824.
Additional Information Phone Number 1‑888‑843‑7824
Additional Information Website hartfordfunds.com/reports-hmf
Expenses [Text Block]
What were the Fund costs for the last six-months?
(Based on a hypothetical $10,000 investment)
Class Name Costs of a $10,000 investment Costs paid as a percentage
of a $10,000 investment^
Class I $30 0.60%
^
Annualized.
Expenses Paid, Amount $ 30
Expense Ratio, Percent 0.60% [72]
Net Assets $ 32,183,986
Holdings Count | Holding 304
Investment Company Portfolio Turnover 102.00%
Additional Fund Statistics [Text Block]
Key Fund Statistics
as of April 30, 2026
Fund's net assets $32,183,986
Total number of portfolio holdings 304
Portfolio turnover rate 102%
Holdings [Text Block]
Graphical Representation of Holdings
as of April 30, 2026
The table below shows the investment makeup of the Fund, representing the percentage of net assets of the Fund.
Composition by Country *
Mexico 13.8 %
Brazil 11.7 %
South Africa 5.1 %
Colombia 4.9 %
Hungary 3.7 %
Saudi Arabia 3.6 %
Ecuador 3.4 %
Angola 3.2 %
Malaysia 3.1 %
Hong Kong 3.0 %
Other** 33.7 %
Short-Term Investments 3.5 %
Other Assets & Liabilities 7.3 %
Total 100.0 %
*
For Fund compliance purposes, the Fund may not use the same classification system. These classifications are used for financial reporting purposes.
**
Ten largest country/geographic regions are presented. Additional country/geographic regions are found in Other.
C000172581 [Member]  
Shareholder Report [Line Items]  
Fund Name Hartford Schroders Emerging Markets Multi-Sector Bond Fund
Class Name Class R3
Trading Symbol HFZRX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Hartford Schroders Emerging Markets Multi-Sector Bond Fund (the "Fund") for the period of November 1, 2025 to April 30, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at hartfordfunds.com/reports-hmf. You can also request this information by contacting us by calling 1‑888‑843‑7824.
Additional Information Phone Number 1‑888‑843‑7824
Additional Information Website hartfordfunds.com/reports-hmf
Expenses [Text Block]
What were the Fund costs for the last six-months?
(Based on a hypothetical $10,000 investment)
Class Name Costs of a $10,000 investment Costs paid as a percentage
of a $10,000 investment^
Class R3 $59 1.17%
^
Annualized.
Expenses Paid, Amount $ 59
Expense Ratio, Percent 1.17% [73]
Net Assets $ 32,183,986
Holdings Count | Holding 304
Investment Company Portfolio Turnover 102.00%
Additional Fund Statistics [Text Block]
Key Fund Statistics
as of April 30, 2026
Fund's net assets $32,183,986
Total number of portfolio holdings 304
Portfolio turnover rate 102%
Holdings [Text Block]
Graphical Representation of Holdings
as of April 30, 2026
The table below shows the investment makeup of the Fund, representing the percentage of net assets of the Fund.
Composition by Country *
Mexico 13.8 %
Brazil 11.7 %
South Africa 5.1 %
Colombia 4.9 %
Hungary 3.7 %
Saudi Arabia 3.6 %
Ecuador 3.4 %
Angola 3.2 %
Malaysia 3.1 %
Hong Kong 3.0 %
Other** 33.7 %
Short-Term Investments 3.5 %
Other Assets & Liabilities 7.3 %
Total 100.0 %
*
For Fund compliance purposes, the Fund may not use the same classification system. These classifications are used for financial reporting purposes.
**
Ten largest country/geographic regions are presented. Additional country/geographic regions are found in Other.
C000172582 [Member]  
Shareholder Report [Line Items]  
Fund Name Hartford Schroders Emerging Markets Multi-Sector Bond Fund
Class Name Class R4
Trading Symbol HFZSX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Hartford Schroders Emerging Markets Multi-Sector Bond Fund (the "Fund") for the period of November 1, 2025 to April 30, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at hartfordfunds.com/reports-hmf. You can also request this information by contacting us by calling 1‑888‑843‑7824.
Additional Information Phone Number 1‑888‑843‑7824
Additional Information Website hartfordfunds.com/reports-hmf
Expenses [Text Block]
What were the Fund costs for the last six-months?
(Based on a hypothetical $10,000 investment)
Class Name Costs of a $10,000 investment Costs paid as a percentage
of a $10,000 investment^
Class R4 $44 0.87%
^
Annualized.
Expenses Paid, Amount $ 44
Expense Ratio, Percent 0.87% [74]
Net Assets $ 32,183,986
Holdings Count | Holding 304
Investment Company Portfolio Turnover 102.00%
Additional Fund Statistics [Text Block]
Key Fund Statistics
as of April 30, 2026
Fund's net assets $32,183,986
Total number of portfolio holdings 304
Portfolio turnover rate 102%
Holdings [Text Block]
Graphical Representation of Holdings
as of April 30, 2026
The table below shows the investment makeup of the Fund, representing the percentage of net assets of the Fund.
Composition by Country *
Mexico 13.8 %
Brazil 11.7 %
South Africa 5.1 %
Colombia 4.9 %
Hungary 3.7 %
Saudi Arabia 3.6 %
Ecuador 3.4 %
Angola 3.2 %
Malaysia 3.1 %
Hong Kong 3.0 %
Other** 33.7 %
Short-Term Investments 3.5 %
Other Assets & Liabilities 7.3 %
Total 100.0 %
*
For Fund compliance purposes, the Fund may not use the same classification system. These classifications are used for financial reporting purposes.
**
Ten largest country/geographic regions are presented. Additional country/geographic regions are found in Other.
C000172583 [Member]  
Shareholder Report [Line Items]  
Fund Name Hartford Schroders Emerging Markets Multi-Sector Bond Fund
Class Name Class R5
Trading Symbol HFZTX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Hartford Schroders Emerging Markets Multi-Sector Bond Fund (the "Fund") for the period of November 1, 2025 to April 30, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at hartfordfunds.com/reports-hmf. You can also request this information by contacting us by calling 1‑888‑843‑7824.
Additional Information Phone Number 1‑888‑843‑7824
Additional Information Website hartfordfunds.com/reports-hmf
Expenses [Text Block]
What were the Fund costs for the last six-months?
(Based on a hypothetical $10,000 investment)
Class Name Costs of a $10,000 investment Costs paid as a percentage
of a $10,000 investment^
Class R5 $29 0.57%
^
Annualized.
Expenses Paid, Amount $ 29
Expense Ratio, Percent 0.57% [75]
Net Assets $ 32,183,986
Holdings Count | Holding 304
Investment Company Portfolio Turnover 102.00%
Additional Fund Statistics [Text Block]
Key Fund Statistics
as of April 30, 2026
Fund's net assets $32,183,986
Total number of portfolio holdings 304
Portfolio turnover rate 102%
Holdings [Text Block]
Graphical Representation of Holdings
as of April 30, 2026
The table below shows the investment makeup of the Fund, representing the percentage of net assets of the Fund.
Composition by Country *
Mexico 13.8 %
Brazil 11.7 %
South Africa 5.1 %
Colombia 4.9 %
Hungary 3.7 %
Saudi Arabia 3.6 %
Ecuador 3.4 %
Angola 3.2 %
Malaysia 3.1 %
Hong Kong 3.0 %
Other** 33.7 %
Short-Term Investments 3.5 %
Other Assets & Liabilities 7.3 %
Total 100.0 %
*
For Fund compliance purposes, the Fund may not use the same classification system. These classifications are used for financial reporting purposes.
**
Ten largest country/geographic regions are presented. Additional country/geographic regions are found in Other.
C000172584 [Member]  
Shareholder Report [Line Items]  
Fund Name Hartford Schroders Emerging Markets Multi-Sector Bond Fund
Class Name Class Y
Trading Symbol HFZYX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Hartford Schroders Emerging Markets Multi-Sector Bond Fund (the "Fund") for the period of November 1, 2025 to April 30, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at hartfordfunds.com/reports-hmf. You can also request this information by contacting us by calling 1‑888‑843‑7824.
Additional Information Phone Number 1‑888‑843‑7824
Additional Information Website hartfordfunds.com/reports-hmf
Expenses [Text Block]
What were the Fund costs for the last six-months?
(Based on a hypothetical $10,000 investment)
Class Name Costs of a $10,000 investment Costs paid as a percentage
of a $10,000 investment^
Class Y $28 0.55%
^
Annualized.
Expenses Paid, Amount $ 28
Expense Ratio, Percent 0.55% [76]
Net Assets $ 32,183,986
Holdings Count | Holding 304
Investment Company Portfolio Turnover 102.00%
Additional Fund Statistics [Text Block]
Key Fund Statistics
as of April 30, 2026
Fund's net assets $32,183,986
Total number of portfolio holdings 304
Portfolio turnover rate 102%
Holdings [Text Block]
Graphical Representation of Holdings
as of April 30, 2026
The table below shows the investment makeup of the Fund, representing the percentage of net assets of the Fund.
Composition by Country *
Mexico 13.8 %
Brazil 11.7 %
South Africa 5.1 %
Colombia 4.9 %
Hungary 3.7 %
Saudi Arabia 3.6 %
Ecuador 3.4 %
Angola 3.2 %
Malaysia 3.1 %
Hong Kong 3.0 %
Other** 33.7 %
Short-Term Investments 3.5 %
Other Assets & Liabilities 7.3 %
Total 100.0 %
*
For Fund compliance purposes, the Fund may not use the same classification system. These classifications are used for financial reporting purposes.
**
Ten largest country/geographic regions are presented. Additional country/geographic regions are found in Other.
C000185821 [Member]  
Shareholder Report [Line Items]  
Fund Name Hartford Schroders Emerging Markets Multi-Sector Bond Fund
Class Name Class F
Trading Symbol HFZFX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Hartford Schroders Emerging Markets Multi-Sector Bond Fund (the "Fund") for the period of November 1, 2025 to April 30, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at hartfordfunds.com/reports-hmf. You can also request this information by contacting us by calling 1‑888‑843‑7824.
Additional Information Phone Number 1‑888‑843‑7824
Additional Information Website hartfordfunds.com/reports-hmf
Expenses [Text Block]
What were the Fund costs for the last six-months?
(Based on a hypothetical $10,000 investment)
Class Name Costs of a $10,000 investment Costs paid as a percentage
of a $10,000 investment^
Class F $23 0.45%
^
Annualized.
Expenses Paid, Amount $ 23
Expense Ratio, Percent 0.45% [77]
Net Assets $ 32,183,986
Holdings Count | Holding 304
Investment Company Portfolio Turnover 102.00%
Additional Fund Statistics [Text Block]
Key Fund Statistics
as of April 30, 2026
Fund's net assets $32,183,986
Total number of portfolio holdings 304
Portfolio turnover rate 102%
Holdings [Text Block]
Graphical Representation of Holdings
as of April 30, 2026
The table below shows the investment makeup of the Fund, representing the percentage of net assets of the Fund.
Composition by Country *
Mexico 13.8 %
Brazil 11.7 %
South Africa 5.1 %
Colombia 4.9 %
Hungary 3.7 %
Saudi Arabia 3.6 %
Ecuador 3.4 %
Angola 3.2 %
Malaysia 3.1 %
Hong Kong 3.0 %
Other** 33.7 %
Short-Term Investments 3.5 %
Other Assets & Liabilities 7.3 %
Total 100.0 %
*
For Fund compliance purposes, the Fund may not use the same classification system. These classifications are used for financial reporting purposes.
**
Ten largest country/geographic regions are presented. Additional country/geographic regions are found in Other.
C000172585 [Member]  
Shareholder Report [Line Items]  
Fund Name Hartford Schroders Emerging Markets Multi-Sector Bond Fund
Class Name Class SDR
Trading Symbol SMSRX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Hartford Schroders Emerging Markets Multi-Sector Bond Fund (the "Fund") for the period of November 1, 2025 to April 30, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at hartfordfunds.com/reports-hmf. You can also request this information by contacting us by calling 1‑888‑843‑7824.
Additional Information Phone Number 1‑888‑843‑7824
Additional Information Website hartfordfunds.com/reports-hmf
Expenses [Text Block]
What were the Fund costs for the last six-months?
(Based on a hypothetical $10,000 investment)
Class Name Costs of a $10,000 investment Costs paid as a percentage
of a $10,000 investment^
Class SDR $23 0.45%
^
Annualized.
Expenses Paid, Amount $ 23
Expense Ratio, Percent 0.45% [78]
Net Assets $ 32,183,986
Holdings Count | Holding 304
Investment Company Portfolio Turnover 102.00%
Additional Fund Statistics [Text Block]
Key Fund Statistics
as of April 30, 2026
Fund's net assets $32,183,986
Total number of portfolio holdings 304
Portfolio turnover rate 102%
Holdings [Text Block]
Graphical Representation of Holdings
as of April 30, 2026
The table below shows the investment makeup of the Fund, representing the percentage of net assets of the Fund.
Composition by Country *
Mexico 13.8 %
Brazil 11.7 %
South Africa 5.1 %
Colombia 4.9 %
Hungary 3.7 %
Saudi Arabia 3.6 %
Ecuador 3.4 %
Angola 3.2 %
Malaysia 3.1 %
Hong Kong 3.0 %
Other** 33.7 %
Short-Term Investments 3.5 %
Other Assets & Liabilities 7.3 %
Total 100.0 %
*
For Fund compliance purposes, the Fund may not use the same classification system. These classifications are used for financial reporting purposes.
**
Ten largest country/geographic regions are presented. Additional country/geographic regions are found in Other.
C000172557 [Member]  
Shareholder Report [Line Items]  
Fund Name Hartford Schroders US MidCap Opportunities Fund
Class Name Class A
Trading Symbol SMDVX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Hartford Schroders US MidCap Opportunities Fund (the "Fund") for the period of November 1, 2025 to April 30, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at hartfordfunds.com/reports-hmf. You can also request this information by contacting us by calling 1‑888‑843‑7824.
Additional Information Phone Number 1‑888‑843‑7824
Additional Information Website hartfordfunds.com/reports-hmf
Expenses [Text Block]
What were the Fund costs for the last six-months?
(Based on a hypothetical $10,000 investment)
Class Name Costs of a $10,000 investment Costs paid as a percentage
of a $10,000 investment^
Class A $61 1.15%
^
Annualized.
Expenses Paid, Amount $ 61
Expense Ratio, Percent 1.15% [79]
Net Assets $ 1,018,441,610
Holdings Count | Holding 69
Investment Company Portfolio Turnover 31.00%
Additional Fund Statistics [Text Block]
Key Fund Statistics
as of April 30, 2026
Fund's net assets $1,018,441,610
Total number of portfolio holdings (excluding derivatives, if any) 69
Portfolio turnover rate 31%
Holdings [Text Block]
Graphical Representation of Holdings
as of April 30, 2026
The table below shows the investment makeup of the Fund, representing the percentage of net assets of the Fund.
Composition by Sector *
Industrials 24.1 %
Information Technology 22.5 %
Consumer Discretionary 11.3 %
Financials 10.8 %
Energy 6.2 %
Health Care 5.9 %
Utilities 4.8 %
Real Estate 4.6 %
Materials 2.4 %
Consumer Staples 2.1 %
Communication Services 1.5 %
Short-Term Investments 1.8 %
Other Assets & Liabilities 2.0 %
Total 100.0 %
​*
For Fund compliance purposes, the Fund may not use the same classification system. These classifications are used for financial reporting purposes.
C000172558 [Member]  
Shareholder Report [Line Items]  
Fund Name Hartford Schroders US MidCap Opportunities Fund
Class Name Class C
Trading Symbol HFDCX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Hartford Schroders US MidCap Opportunities Fund (the "Fund") for the period of November 1, 2025 to April 30, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at hartfordfunds.com/reports-hmf. You can also request this information by contacting us by calling 1‑888‑843‑7824.
Additional Information Phone Number 1‑888‑843‑7824
Additional Information Website hartfordfunds.com/reports-hmf
Expenses [Text Block]
What were the Fund costs for the last six-months?
(Based on a hypothetical $10,000 investment)
Class Name Costs of a $10,000 investment Costs paid as a percentage
of a $10,000 investment^
Class C $103 1.94%
^
Annualized.
Expenses Paid, Amount $ 103
Expense Ratio, Percent 1.94% [80]
Net Assets $ 1,018,441,610
Holdings Count | Holding 69
Investment Company Portfolio Turnover 31.00%
Additional Fund Statistics [Text Block]
Key Fund Statistics
as of April 30, 2026
Fund's net assets $1,018,441,610
Total number of portfolio holdings (excluding derivatives, if any) 69
Portfolio turnover rate 31%
Holdings [Text Block]
Graphical Representation of Holdings
as of April 30, 2026
The table below shows the investment makeup of the Fund, representing the percentage of net assets of the Fund.
Composition by Sector *
Industrials 24.1 %
Information Technology 22.5 %
Consumer Discretionary 11.3 %
Financials 10.8 %
Energy 6.2 %
Health Care 5.9 %
Utilities 4.8 %
Real Estate 4.6 %
Materials 2.4 %
Consumer Staples 2.1 %
Communication Services 1.5 %
Short-Term Investments 1.8 %
Other Assets & Liabilities 2.0 %
Total 100.0 %
​*
For Fund compliance purposes, the Fund may not use the same classification system. These classifications are used for financial reporting purposes.
C000172559 [Member]  
Shareholder Report [Line Items]  
Fund Name Hartford Schroders US MidCap Opportunities Fund
Class Name Class I
Trading Symbol SMDIX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Hartford Schroders US MidCap Opportunities Fund (the "Fund") for the period of November 1, 2025 to April 30, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at hartfordfunds.com/reports-hmf. You can also request this information by contacting us by calling 1‑888‑843‑7824.
Additional Information Phone Number 1‑888‑843‑7824
Additional Information Website hartfordfunds.com/reports-hmf
Expenses [Text Block]
What were the Fund costs for the last six-months?
(Based on a hypothetical $10,000 investment)
Class Name Costs of a $10,000 investment Costs paid as a percentage
of a $10,000 investment^
Class I $49 0.92%
^
Annualized.
Expenses Paid, Amount $ 49
Expense Ratio, Percent 0.92% [81]
Net Assets $ 1,018,441,610
Holdings Count | Holding 69
Investment Company Portfolio Turnover 31.00%
Additional Fund Statistics [Text Block]
Key Fund Statistics
as of April 30, 2026
Fund's net assets $1,018,441,610
Total number of portfolio holdings (excluding derivatives, if any) 69
Portfolio turnover rate 31%
Holdings [Text Block]
Graphical Representation of Holdings
as of April 30, 2026
The table below shows the investment makeup of the Fund, representing the percentage of net assets of the Fund.
Composition by Sector *
Industrials 24.1 %
Information Technology 22.5 %
Consumer Discretionary 11.3 %
Financials 10.8 %
Energy 6.2 %
Health Care 5.9 %
Utilities 4.8 %
Real Estate 4.6 %
Materials 2.4 %
Consumer Staples 2.1 %
Communication Services 1.5 %
Short-Term Investments 1.8 %
Other Assets & Liabilities 2.0 %
Total 100.0 %
​*
For Fund compliance purposes, the Fund may not use the same classification system. These classifications are used for financial reporting purposes.
C000172560 [Member]  
Shareholder Report [Line Items]  
Fund Name Hartford Schroders US MidCap Opportunities Fund
Class Name Class R3
Trading Symbol HFDRX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Hartford Schroders US MidCap Opportunities Fund (the "Fund") for the period of November 1, 2025 to April 30, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at hartfordfunds.com/reports-hmf. You can also request this information by contacting us by calling 1‑888‑843‑7824.
Additional Information Phone Number 1‑888‑843‑7824
Additional Information Website hartfordfunds.com/reports-hmf
Expenses [Text Block]
What were the Fund costs for the last six-months?
(Based on a hypothetical $10,000 investment)
Class Name Costs of a $10,000 investment Costs paid as a percentage
of a $10,000 investment^
Class R3 $80 1.50%
^
Annualized.
Expenses Paid, Amount $ 80
Expense Ratio, Percent 1.50% [82]
Net Assets $ 1,018,441,610
Holdings Count | Holding 69
Investment Company Portfolio Turnover 31.00%
Additional Fund Statistics [Text Block]
Key Fund Statistics
as of April 30, 2026
Fund's net assets $1,018,441,610
Total number of portfolio holdings (excluding derivatives, if any) 69
Portfolio turnover rate 31%
Holdings [Text Block]
Graphical Representation of Holdings
as of April 30, 2026
The table below shows the investment makeup of the Fund, representing the percentage of net assets of the Fund.
Composition by Sector *
Industrials 24.1 %
Information Technology 22.5 %
Consumer Discretionary 11.3 %
Financials 10.8 %
Energy 6.2 %
Health Care 5.9 %
Utilities 4.8 %
Real Estate 4.6 %
Materials 2.4 %
Consumer Staples 2.1 %
Communication Services 1.5 %
Short-Term Investments 1.8 %
Other Assets & Liabilities 2.0 %
Total 100.0 %
​*
For Fund compliance purposes, the Fund may not use the same classification system. These classifications are used for financial reporting purposes.
C000172561 [Member]  
Shareholder Report [Line Items]  
Fund Name Hartford Schroders US MidCap Opportunities Fund
Class Name Class R4
Trading Symbol HFDSX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Hartford Schroders US MidCap Opportunities Fund (the "Fund") for the period of November 1, 2025 to April 30, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at hartfordfunds.com/reports-hmf. You can also request this information by contacting us by calling 1‑888‑843‑7824.
Additional Information Phone Number 1‑888‑843‑7824
Additional Information Website hartfordfunds.com/reports-hmf
Expenses [Text Block]
What were the Fund costs for the last six-months?
(Based on a hypothetical $10,000 investment)
Class Name Costs of a $10,000 investment Costs paid as a percentage
of a $10,000 investment^
Class R4 $65 1.22%
^
Annualized.
Expenses Paid, Amount $ 65
Expense Ratio, Percent 1.22% [83]
Net Assets $ 1,018,441,610
Holdings Count | Holding 69
Investment Company Portfolio Turnover 31.00%
Additional Fund Statistics [Text Block]
Key Fund Statistics
as of April 30, 2026
Fund's net assets $1,018,441,610
Total number of portfolio holdings (excluding derivatives, if any) 69
Portfolio turnover rate 31%
Holdings [Text Block]
Graphical Representation of Holdings
as of April 30, 2026
The table below shows the investment makeup of the Fund, representing the percentage of net assets of the Fund.
Composition by Sector *
Industrials 24.1 %
Information Technology 22.5 %
Consumer Discretionary 11.3 %
Financials 10.8 %
Energy 6.2 %
Health Care 5.9 %
Utilities 4.8 %
Real Estate 4.6 %
Materials 2.4 %
Consumer Staples 2.1 %
Communication Services 1.5 %
Short-Term Investments 1.8 %
Other Assets & Liabilities 2.0 %
Total 100.0 %
​*
For Fund compliance purposes, the Fund may not use the same classification system. These classifications are used for financial reporting purposes.
C000172562 [Member]  
Shareholder Report [Line Items]  
Fund Name Hartford Schroders US MidCap Opportunities Fund
Class Name Class R5
Trading Symbol HFDTX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Hartford Schroders US MidCap Opportunities Fund (the "Fund") for the period of November 1, 2025 to April 30, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at hartfordfunds.com/reports-hmf. You can also request this information by contacting us by calling 1‑888‑843‑7824.
Additional Information Phone Number 1‑888‑843‑7824
Additional Information Website hartfordfunds.com/reports-hmf
Expenses [Text Block]
What were the Fund costs for the last six-months?
(Based on a hypothetical $10,000 investment)
Class Name Costs of a $10,000 investment Costs paid as a percentage
of a $10,000 investment^
Class R5 $49 0.91%
^
Annualized.
Expenses Paid, Amount $ 49
Expense Ratio, Percent 0.91% [84]
Net Assets $ 1,018,441,610
Holdings Count | Holding 69
Investment Company Portfolio Turnover 31.00%
Additional Fund Statistics [Text Block]
Key Fund Statistics
as of April 30, 2026
Fund's net assets $1,018,441,610
Total number of portfolio holdings (excluding derivatives, if any) 69
Portfolio turnover rate 31%
Holdings [Text Block]
Graphical Representation of Holdings
as of April 30, 2026
The table below shows the investment makeup of the Fund, representing the percentage of net assets of the Fund.
Composition by Sector *
Industrials 24.1 %
Information Technology 22.5 %
Consumer Discretionary 11.3 %
Financials 10.8 %
Energy 6.2 %
Health Care 5.9 %
Utilities 4.8 %
Real Estate 4.6 %
Materials 2.4 %
Consumer Staples 2.1 %
Communication Services 1.5 %
Short-Term Investments 1.8 %
Other Assets & Liabilities 2.0 %
Total 100.0 %
​*
For Fund compliance purposes, the Fund may not use the same classification system. These classifications are used for financial reporting purposes.
C000172563 [Member]  
Shareholder Report [Line Items]  
Fund Name Hartford Schroders US MidCap Opportunities Fund
Class Name Class Y
Trading Symbol HFDYX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Hartford Schroders US MidCap Opportunities Fund (the "Fund") for the period of November 1, 2025 to April 30, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at hartfordfunds.com/reports-hmf. You can also request this information by contacting us by calling 1‑888‑843‑7824.
Additional Information Phone Number 1‑888‑843‑7824
Additional Information Website hartfordfunds.com/reports-hmf
Expenses [Text Block]
What were the Fund costs for the last six-months?
(Based on a hypothetical $10,000 investment)
Class Name Costs of a $10,000 investment Costs paid as a percentage
of a $10,000 investment^
Class Y $49 0.91%
^
Annualized.
Expenses Paid, Amount $ 49
Expense Ratio, Percent 0.91% [85]
Net Assets $ 1,018,441,610
Holdings Count | Holding 69
Investment Company Portfolio Turnover 31.00%
Additional Fund Statistics [Text Block]
Key Fund Statistics
as of April 30, 2026
Fund's net assets $1,018,441,610
Total number of portfolio holdings (excluding derivatives, if any) 69
Portfolio turnover rate 31%
Holdings [Text Block]
Graphical Representation of Holdings
as of April 30, 2026
The table below shows the investment makeup of the Fund, representing the percentage of net assets of the Fund.
Composition by Sector *
Industrials 24.1 %
Information Technology 22.5 %
Consumer Discretionary 11.3 %
Financials 10.8 %
Energy 6.2 %
Health Care 5.9 %
Utilities 4.8 %
Real Estate 4.6 %
Materials 2.4 %
Consumer Staples 2.1 %
Communication Services 1.5 %
Short-Term Investments 1.8 %
Other Assets & Liabilities 2.0 %
Total 100.0 %
​*
For Fund compliance purposes, the Fund may not use the same classification system. These classifications are used for financial reporting purposes.
C000172564 [Member]  
Shareholder Report [Line Items]  
Fund Name Hartford Schroders US MidCap Opportunities Fund
Class Name Class SDR
Trading Symbol SMDRX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Hartford Schroders US MidCap Opportunities Fund (the "Fund") for the period of November 1, 2025 to April 30, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at hartfordfunds.com/reports-hmf. You can also request this information by contacting us by calling 1‑888‑843‑7824.
Additional Information Phone Number 1‑888‑843‑7824
Additional Information Website hartfordfunds.com/reports-hmf
Expenses [Text Block]
What were the Fund costs for the last six-months?
(Based on a hypothetical $10,000 investment)
Class Name Costs of a $10,000 investment Costs paid as a percentage
of a $10,000 investment^
Class SDR $43 0.80%
^
Annualized.
Expenses Paid, Amount $ 43
Expense Ratio, Percent 0.80% [86]
Net Assets $ 1,018,441,610
Holdings Count | Holding 69
Investment Company Portfolio Turnover 31.00%
Additional Fund Statistics [Text Block]
Key Fund Statistics
as of April 30, 2026
Fund's net assets $1,018,441,610
Total number of portfolio holdings (excluding derivatives, if any) 69
Portfolio turnover rate 31%
Holdings [Text Block]
Graphical Representation of Holdings
as of April 30, 2026
The table below shows the investment makeup of the Fund, representing the percentage of net assets of the Fund.
Composition by Sector *
Industrials 24.1 %
Information Technology 22.5 %
Consumer Discretionary 11.3 %
Financials 10.8 %
Energy 6.2 %
Health Care 5.9 %
Utilities 4.8 %
Real Estate 4.6 %
Materials 2.4 %
Consumer Staples 2.1 %
Communication Services 1.5 %
Short-Term Investments 1.8 %
Other Assets & Liabilities 2.0 %
Total 100.0 %
​*
For Fund compliance purposes, the Fund may not use the same classification system. These classifications are used for financial reporting purposes.
C000185815 [Member]  
Shareholder Report [Line Items]  
Fund Name Hartford Schroders US MidCap Opportunities Fund
Class Name Class F
Trading Symbol HFDFX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Hartford Schroders US MidCap Opportunities Fund (the "Fund") for the period of November 1, 2025 to April 30, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at hartfordfunds.com/reports-hmf. You can also request this information by contacting us by calling 1‑888‑843‑7824.
Additional Information Phone Number 1‑888‑843‑7824
Additional Information Website hartfordfunds.com/reports-hmf
Expenses [Text Block]
What were the Fund costs for the last six-months?
(Based on a hypothetical $10,000 investment)
Class Name Costs of a $10,000 investment Costs paid as a percentage
of a $10,000 investment^
Class F $43 0.80%
^
Annualized.
Expenses Paid, Amount $ 43
Expense Ratio, Percent 0.80% [87]
Net Assets $ 1,018,441,610
Holdings Count | Holding 69
Investment Company Portfolio Turnover 31.00%
Additional Fund Statistics [Text Block]
Key Fund Statistics
as of April 30, 2026
Fund's net assets $1,018,441,610
Total number of portfolio holdings (excluding derivatives, if any) 69
Portfolio turnover rate 31%
Holdings [Text Block]
Graphical Representation of Holdings
as of April 30, 2026
The table below shows the investment makeup of the Fund, representing the percentage of net assets of the Fund.
Composition by Sector *
Industrials 24.1 %
Information Technology 22.5 %
Consumer Discretionary 11.3 %
Financials 10.8 %
Energy 6.2 %
Health Care 5.9 %
Utilities 4.8 %
Real Estate 4.6 %
Materials 2.4 %
Consumer Staples 2.1 %
Communication Services 1.5 %
Short-Term Investments 1.8 %
Other Assets & Liabilities 2.0 %
Total 100.0 %
​*
For Fund compliance purposes, the Fund may not use the same classification system. These classifications are used for financial reporting purposes.
C000011245 [Member]  
Shareholder Report [Line Items]  
Fund Name The Hartford Small Cap Growth Fund
Class Name Class A
Trading Symbol HSLAX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about The Hartford Small Cap Growth Fund (the "Fund") for the period of November 1, 2025 to April 30, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at hartfordfunds.com/reports-hmf. You can also request this information by contacting us by calling 1‑888‑843‑7824.
Additional Information Phone Number 1‑888‑843‑7824
Additional Information Website hartfordfunds.com/reports-hmf
Expenses [Text Block]
What were the Fund costs for the last six-months?
(Based on a hypothetical $10,000 investment)
Class Name Costs of a $10,000 investment Costs paid as a percentage
of a $10,000 investment^
Class A $73 1.39%
^
Annualized.
Expenses Paid, Amount $ 73
Expense Ratio, Percent 1.39% [88]
Net Assets $ 304,824,943
Holdings Count | Holding 178
Investment Company Portfolio Turnover 38.00%
Additional Fund Statistics [Text Block]
Key Fund Statistics
as of April 30, 2026
Fund's net assets $304,824,943
Total number of portfolio holdings (excluding derivatives, if any) 178
Portfolio turnover rate 38%
Holdings [Text Block]
Graphical Representation of Holdings
as of April 30, 2026
The table below shows the investment makeup of the Fund, representing the percentage of net assets of the Fund.
Composition by Sector *
Industrials 25.9 %
Health Care 22.8 %
Information Technology 22.1 %
Financials 9.2 %
Consumer Discretionary 8.2 %
Consumer Staples 3.3 %
Energy 2.9 %
Materials 2.0 %
Communication Services 1.5 %
Real Estate 1.3 %
Utilities 0.6 %
Short-Term Investments 2.5 %
Other Assets & Liabilities (2.3 )%
Total 100.0 %
​*
For Fund compliance purposes, the Fund may not use the same classification system. These classifications are used for financial reporting purposes.
C000011247 [Member]  
Shareholder Report [Line Items]  
Fund Name The Hartford Small Cap Growth Fund
Class Name Class C
Trading Symbol HSLCX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about The Hartford Small Cap Growth Fund (the "Fund") for the period of November 1, 2025 to April 30, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at hartfordfunds.com/reports-hmf. You can also request this information by contacting us by calling 1‑888‑843‑7824.
Additional Information Phone Number 1‑888‑843‑7824
Additional Information Website hartfordfunds.com/reports-hmf
Expenses [Text Block]
What were the Fund costs for the last six-months?
(Based on a hypothetical $10,000 investment)
Class Name Costs of a $10,000 investment Costs paid as a percentage
of a $10,000 investment^
Class C $114 2.17%
^
Annualized.
Expenses Paid, Amount $ 114
Expense Ratio, Percent 2.17% [89]
Net Assets $ 304,824,943
Holdings Count | Holding 178
Investment Company Portfolio Turnover 38.00%
Additional Fund Statistics [Text Block]
Key Fund Statistics
as of April 30, 2026
Fund's net assets $304,824,943
Total number of portfolio holdings (excluding derivatives, if any) 178
Portfolio turnover rate 38%
Holdings [Text Block]
Graphical Representation of Holdings
as of April 30, 2026
The table below shows the investment makeup of the Fund, representing the percentage of net assets of the Fund.
Composition by Sector *
Industrials 25.9 %
Health Care 22.8 %
Information Technology 22.1 %
Financials 9.2 %
Consumer Discretionary 8.2 %
Consumer Staples 3.3 %
Energy 2.9 %
Materials 2.0 %
Communication Services 1.5 %
Real Estate 1.3 %
Utilities 0.6 %
Short-Term Investments 2.5 %
Other Assets & Liabilities (2.3 )%
Total 100.0 %
​*
For Fund compliance purposes, the Fund may not use the same classification system. These classifications are used for financial reporting purposes.
C000035167 [Member]  
Shareholder Report [Line Items]  
Fund Name The Hartford Small Cap Growth Fund
Class Name Class I
Trading Symbol HSLIX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about The Hartford Small Cap Growth Fund (the "Fund") for the period of November 1, 2025 to April 30, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at hartfordfunds.com/reports-hmf. You can also request this information by contacting us by calling 1‑888‑843‑7824.
Additional Information Phone Number 1‑888‑843‑7824
Additional Information Website hartfordfunds.com/reports-hmf
Expenses [Text Block]
What were the Fund costs for the last six-months?
(Based on a hypothetical $10,000 investment)
Class Name Costs of a $10,000 investment Costs paid as a percentage
of a $10,000 investment^
Class I $56 1.06%
^
Annualized.
Expenses Paid, Amount $ 56
Expense Ratio, Percent 1.06% [90]
Net Assets $ 304,824,943
Holdings Count | Holding 178
Investment Company Portfolio Turnover 38.00%
Additional Fund Statistics [Text Block]
Key Fund Statistics
as of April 30, 2026
Fund's net assets $304,824,943
Total number of portfolio holdings (excluding derivatives, if any) 178
Portfolio turnover rate 38%
Holdings [Text Block]
Graphical Representation of Holdings
as of April 30, 2026
The table below shows the investment makeup of the Fund, representing the percentage of net assets of the Fund.
Composition by Sector *
Industrials 25.9 %
Health Care 22.8 %
Information Technology 22.1 %
Financials 9.2 %
Consumer Discretionary 8.2 %
Consumer Staples 3.3 %
Energy 2.9 %
Materials 2.0 %
Communication Services 1.5 %
Real Estate 1.3 %
Utilities 0.6 %
Short-Term Investments 2.5 %
Other Assets & Liabilities (2.3 )%
Total 100.0 %
​*
For Fund compliance purposes, the Fund may not use the same classification system. These classifications are used for financial reporting purposes.
C000040921 [Member]  
Shareholder Report [Line Items]  
Fund Name The Hartford Small Cap Growth Fund
Class Name Class R3
Trading Symbol HSLRX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about The Hartford Small Cap Growth Fund (the "Fund") for the period of November 1, 2025 to April 30, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at hartfordfunds.com/reports-hmf. You can also request this information by contacting us by calling 1‑888‑843‑7824.
Additional Information Phone Number 1‑888‑843‑7824
Additional Information Website hartfordfunds.com/reports-hmf
Expenses [Text Block]
What were the Fund costs for the last six-months?
(Based on a hypothetical $10,000 investment)
Class Name Costs of a $10,000 investment Costs paid as a percentage
of a $10,000 investment^
Class R3 $85 1.62%
^
Annualized.
Expenses Paid, Amount $ 85
Expense Ratio, Percent 1.62% [91]
Net Assets $ 304,824,943
Holdings Count | Holding 178
Investment Company Portfolio Turnover 38.00%
Additional Fund Statistics [Text Block]
Key Fund Statistics
as of April 30, 2026
Fund's net assets $304,824,943
Total number of portfolio holdings (excluding derivatives, if any) 178
Portfolio turnover rate 38%
Holdings [Text Block]
Graphical Representation of Holdings
as of April 30, 2026
The table below shows the investment makeup of the Fund, representing the percentage of net assets of the Fund.
Composition by Sector *
Industrials 25.9 %
Health Care 22.8 %
Information Technology 22.1 %
Financials 9.2 %
Consumer Discretionary 8.2 %
Consumer Staples 3.3 %
Energy 2.9 %
Materials 2.0 %
Communication Services 1.5 %
Real Estate 1.3 %
Utilities 0.6 %
Short-Term Investments 2.5 %
Other Assets & Liabilities (2.3 )%
Total 100.0 %
​*
For Fund compliance purposes, the Fund may not use the same classification system. These classifications are used for financial reporting purposes.
C000040922 [Member]  
Shareholder Report [Line Items]  
Fund Name The Hartford Small Cap Growth Fund
Class Name Class R4
Trading Symbol HSLSX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about The Hartford Small Cap Growth Fund (the "Fund") for the period of November 1, 2025 to April 30, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at hartfordfunds.com/reports-hmf. You can also request this information by contacting us by calling 1‑888‑843‑7824.
Additional Information Phone Number 1‑888‑843‑7824
Additional Information Website hartfordfunds.com/reports-hmf
Expenses [Text Block]
What were the Fund costs for the last six-months?
(Based on a hypothetical $10,000 investment)
Class Name Costs of a $10,000 investment Costs paid as a percentage
of a $10,000 investment^
Class R4 $71 1.34%
^
Annualized.
Expenses Paid, Amount $ 71
Expense Ratio, Percent 1.34% [92]
Net Assets $ 304,824,943
Holdings Count | Holding 178
Investment Company Portfolio Turnover 38.00%
Additional Fund Statistics [Text Block]
Key Fund Statistics
as of April 30, 2026
Fund's net assets $304,824,943
Total number of portfolio holdings (excluding derivatives, if any) 178
Portfolio turnover rate 38%
Holdings [Text Block]
Graphical Representation of Holdings
as of April 30, 2026
The table below shows the investment makeup of the Fund, representing the percentage of net assets of the Fund.
Composition by Sector *
Industrials 25.9 %
Health Care 22.8 %
Information Technology 22.1 %
Financials 9.2 %
Consumer Discretionary 8.2 %
Consumer Staples 3.3 %
Energy 2.9 %
Materials 2.0 %
Communication Services 1.5 %
Real Estate 1.3 %
Utilities 0.6 %
Short-Term Investments 2.5 %
Other Assets & Liabilities (2.3 )%
Total 100.0 %
​*
For Fund compliance purposes, the Fund may not use the same classification system. These classifications are used for financial reporting purposes.
C000040923 [Member]  
Shareholder Report [Line Items]  
Fund Name The Hartford Small Cap Growth Fund
Class Name Class R5
Trading Symbol HSLTX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about The Hartford Small Cap Growth Fund (the "Fund") for the period of November 1, 2025 to April 30, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at hartfordfunds.com/reports-hmf. You can also request this information by contacting us by calling 1‑888‑843‑7824.
Additional Information Phone Number 1‑888‑843‑7824
Additional Information Website hartfordfunds.com/reports-hmf
Expenses [Text Block]
What were the Fund costs for the last six-months?
(Based on a hypothetical $10,000 investment)
Class Name Costs of a $10,000 investment Costs paid as a percentage
of a $10,000 investment^
Class R5 $55 1.04%
^
Annualized.
Expenses Paid, Amount $ 55
Expense Ratio, Percent 1.04% [93]
Net Assets $ 304,824,943
Holdings Count | Holding 178
Investment Company Portfolio Turnover 38.00%
Additional Fund Statistics [Text Block]
Key Fund Statistics
as of April 30, 2026
Fund's net assets $304,824,943
Total number of portfolio holdings (excluding derivatives, if any) 178
Portfolio turnover rate 38%
Holdings [Text Block]
Graphical Representation of Holdings
as of April 30, 2026
The table below shows the investment makeup of the Fund, representing the percentage of net assets of the Fund.
Composition by Sector *
Industrials 25.9 %
Health Care 22.8 %
Information Technology 22.1 %
Financials 9.2 %
Consumer Discretionary 8.2 %
Consumer Staples 3.3 %
Energy 2.9 %
Materials 2.0 %
Communication Services 1.5 %
Real Estate 1.3 %
Utilities 0.6 %
Short-Term Investments 2.5 %
Other Assets & Liabilities (2.3 )%
Total 100.0 %
​*
For Fund compliance purposes, the Fund may not use the same classification system. These classifications are used for financial reporting purposes.
C000148303 [Member]  
Shareholder Report [Line Items]  
Fund Name The Hartford Small Cap Growth Fund
Class Name Class R6
Trading Symbol HSLVX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about The Hartford Small Cap Growth Fund (the "Fund") for the period of November 1, 2025 to April 30, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at hartfordfunds.com/reports-hmf. You can also request this information by contacting us by calling 1‑888‑843‑7824.
Additional Information Phone Number 1‑888‑843‑7824
Additional Information Website hartfordfunds.com/reports-hmf
Expenses [Text Block]
What were the Fund costs for the last six-months?
(Based on a hypothetical $10,000 investment)
Class Name Costs of a $10,000 investment Costs paid as a percentage
of a $10,000 investment^
Class R6 $49 0.92%
^
Annualized.
Expenses Paid, Amount $ 49
Expense Ratio, Percent 0.92% [94]
Net Assets $ 304,824,943
Holdings Count | Holding 178
Investment Company Portfolio Turnover 38.00%
Additional Fund Statistics [Text Block]
Key Fund Statistics
as of April 30, 2026
Fund's net assets $304,824,943
Total number of portfolio holdings (excluding derivatives, if any) 178
Portfolio turnover rate 38%
Holdings [Text Block]
Graphical Representation of Holdings
as of April 30, 2026
The table below shows the investment makeup of the Fund, representing the percentage of net assets of the Fund.
Composition by Sector *
Industrials 25.9 %
Health Care 22.8 %
Information Technology 22.1 %
Financials 9.2 %
Consumer Discretionary 8.2 %
Consumer Staples 3.3 %
Energy 2.9 %
Materials 2.0 %
Communication Services 1.5 %
Real Estate 1.3 %
Utilities 0.6 %
Short-Term Investments 2.5 %
Other Assets & Liabilities (2.3 )%
Total 100.0 %
​*
For Fund compliance purposes, the Fund may not use the same classification system. These classifications are used for financial reporting purposes.
C000011252 [Member]  
Shareholder Report [Line Items]  
Fund Name The Hartford Small Cap Growth Fund
Class Name Class Y
Trading Symbol HSLYX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about The Hartford Small Cap Growth Fund (the "Fund") for the period of November 1, 2025 to April 30, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at hartfordfunds.com/reports-hmf. You can also request this information by contacting us by calling 1‑888‑843‑7824.
Additional Information Phone Number 1‑888‑843‑7824
Additional Information Website hartfordfunds.com/reports-hmf
Expenses [Text Block]
What were the Fund costs for the last six-months?
(Based on a hypothetical $10,000 investment)
Class Name Costs of a $10,000 investment Costs paid as a percentage
of a $10,000 investment^
Class Y $52 0.99%
^
Annualized.
Expenses Paid, Amount $ 52
Expense Ratio, Percent 0.99% [95]
Net Assets $ 304,824,943
Holdings Count | Holding 178
Investment Company Portfolio Turnover 38.00%
Additional Fund Statistics [Text Block]
Key Fund Statistics
as of April 30, 2026
Fund's net assets $304,824,943
Total number of portfolio holdings (excluding derivatives, if any) 178
Portfolio turnover rate 38%
Holdings [Text Block]
Graphical Representation of Holdings
as of April 30, 2026
The table below shows the investment makeup of the Fund, representing the percentage of net assets of the Fund.
Composition by Sector *
Industrials 25.9 %
Health Care 22.8 %
Information Technology 22.1 %
Financials 9.2 %
Consumer Discretionary 8.2 %
Consumer Staples 3.3 %
Energy 2.9 %
Materials 2.0 %
Communication Services 1.5 %
Real Estate 1.3 %
Utilities 0.6 %
Short-Term Investments 2.5 %
Other Assets & Liabilities (2.3 )%
Total 100.0 %
​*
For Fund compliance purposes, the Fund may not use the same classification system. These classifications are used for financial reporting purposes.
C000185807 [Member]  
Shareholder Report [Line Items]  
Fund Name The Hartford Small Cap Growth Fund
Class Name Class F
Trading Symbol HSLFX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about The Hartford Small Cap Growth Fund (the "Fund") for the period of November 1, 2025 to April 30, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at hartfordfunds.com/reports-hmf. You can also request this information by contacting us by calling 1‑888‑843‑7824.
Additional Information Phone Number 1‑888‑843‑7824
Additional Information Website hartfordfunds.com/reports-hmf
Expenses [Text Block]
What were the Fund costs for the last six-months?
(Based on a hypothetical $10,000 investment)
Class Name Costs of a $10,000 investment Costs paid as a percentage
of a $10,000 investment^
Class F $49 0.92%
^
Annualized.
Expenses Paid, Amount $ 49
Expense Ratio, Percent 0.92% [96]
Net Assets $ 304,824,943
Holdings Count | Holding 178
Investment Company Portfolio Turnover 38.00%
Additional Fund Statistics [Text Block]
Key Fund Statistics
as of April 30, 2026
Fund's net assets $304,824,943
Total number of portfolio holdings (excluding derivatives, if any) 178
Portfolio turnover rate 38%
Holdings [Text Block]
Graphical Representation of Holdings
as of April 30, 2026
The table below shows the investment makeup of the Fund, representing the percentage of net assets of the Fund.
Composition by Sector *
Industrials 25.9 %
Health Care 22.8 %
Information Technology 22.1 %
Financials 9.2 %
Consumer Discretionary 8.2 %
Consumer Staples 3.3 %
Energy 2.9 %
Materials 2.0 %
Communication Services 1.5 %
Real Estate 1.3 %
Utilities 0.6 %
Short-Term Investments 2.5 %
Other Assets & Liabilities (2.3 )%
Total 100.0 %
​*
For Fund compliance purposes, the Fund may not use the same classification system. These classifications are used for financial reporting purposes.
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